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4. Which is greater out of the two given fractions in each pair?
4 1 9 7 3 8
a. , b. , c. ,
5 5 13 13 16 16
1 2 8 7
d. , e. ,
9 9 20 20
5. Fill in the boxes with >, < or =.

1 1 2 7 10 8
a. b. c.
3 3 9 9 15 15
8 1 3 5
d. e.
16 16 9 9
6. Arrange the following fractions in ascending order:
2 4 5 1 6 2 1 8 5
a. , , b. , , c. , ,
8 8 8 9 9 9 12 12 12

7. Arrange the following fractions in descending order:
1 2 3 3 9 1 4 1 7 3
a. , , b. , , c. , , ,
9 9 9 15 15 15 7 7 7 7

AddiTion And SUbTrACTion oF like FrACTionS

Addition of like Fractions

Look at the following:

+ =
2 1 3
5 5 5
2 1 3
So, + =
5 5 5
We conclude that to add two like fractions, we simply add the numerators.
Steps involved in addition of like fractions:

1. Add the numerators.

2. The denominator remains the same.
3. Reduce the fraction to its simplest form.
3 2
example 1. Add and .
7 7
3 2 3 + 2 5
Solution. + = =
7 7 7 7

104 Mathematics 4