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E:\Working\Brother_Education\Preparatory_Stage_Maths-4_(31-10-2023)\Open_Files\Chap-06
              \\January 6, 2024 6:03 PM   Bharat Arora    P-2           Reader _________________________   Date: ___________________74







                      Encapsulate
                  math
                                                          Fractions



                                     Fraction                        Fraction of a collection    Equivalent Fraction

                           Numerator of shaded part   Numerator     Half of a collection: To           1  2  4
                 Fraction =                       =                 find half of a collection,   Example:   =  =   are
                            Total number of parts   Denominator     we divide it by 2.                 2  4  8
                            Numerator                               one-third of a            equivalent fractions.
                                          3                         collection: To find one-
                             Horizontal   4                         third of a collection, we
                               line
                                                                    divide it by 3.
                           Denominator                              one-fourth of a
                                                                    collection: To find one-
                                                                    fourth of a collection, we
                                                                    divide it by 4.
                                Fractions of a region

                      Halves          Thirds         Fourths                        simplest form of a Fraction

                                                                                                ÷
                                                                                         ÷
                                                                           Example:   36 36 3 12 3 4
                                                                                      =
                                                                                                  =
                                                                                            =
                                                                                                ÷
                                                                                         ÷
                 Two halves make  Three one-thirds   Four-fourths                  45 45 3 15 3 5
                     a whole.     make a whole.   make a whole.                      4   is the lowest form of   36  .
                                                                                    5                    45
                         addition and subtractions of Fractions                         types of Fractions
                 For like fractions:                                       Unit fractions:   1 1 1  , etc.
                                                                                         ,,
                                      Sumof numerators                                  3 9 12
                 Addition of fractions =
                                    Commondenominator                      Proper fractions:   1 2 4 11  , etc.
                                                                                           ,, ,
                             +
                 E.g.,  2  +  1  =  21  =  3                                              2 3 7 13
                     4   4   4    4                                        Improper fractions:   4 5 11 19  , etc.
                                                                                             ,,
                                                                                                   ,
                                       Differenceof numerators                              3 2 7   8
                 Subtraction of fractions =                                Mixed fractions:   3  1  8  5  , etc.
                                        Commondenominator                                2 , 3 , 7 11  5 ,  9
                                                                                              4
                                                                                          7
                               −
                      8   3  83     5  1
                                                                                       2 1 4 5
                 E.g.,   −  =     =   =                                    Like fractions: ,, , , etc.
                     10  10   10   10  2                                               7 7 7 7
                                                                           Unlike fractions:   1 2 4 5  , etc.
                                                                                           ,,
                                                                                                ,
                                                                                         8 9 10 7
                          comparing and ordering Fractions
                                                                             conversions: improper and Mixed Fractions
                In like fractions, the fraction with bigger numerator is greater.
                                7 1 3                                      Converting improper to mixed fraction:
                E.g., the fractions  ,, , arranged in descending order as:
                                8 8 8                                                 3 7  2  Quotient
                                        7                                  E.g.,   7  =÷  6        7  = 2 1
                                                                                  73
                                        8                                      3         1         3   3
                                       1   7  3  1                                          Remainder
                                       8   8 >  8  >  8                                      Divisor
                                        3                                  converting mixed fraction to improper fraction:
                                        8                                       3   +  3  ( 51)  3 53 8
                                                                                           ×+
                                                                                                   +
                                                                           E.g.,  1 = 1  =       =    =
                                                                                5    ×  5    5     5   5
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