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\\February 16, 2024 2:22 PM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Converting unlike decimals into like decimals, we get 1 1 1
11.500 km, 7.750 km and 2.250 km 1 1 • 5 0 0 km
7 • 7 5 0 km
Now, add these distances. + 2 • 2 5 0 km
11.500 km + 7.750 km + 2.250 km = 21.500 km = 21.5 km 2 1 • 5 0 0 km

Thus, Suresh travelled 21.5 km in total to reach the office.

example 5: Neha had `356.45 in her digital account. She got `500 on Bhai Dooj from her
brother and her father also gave her `210. How much money does she have in all?
Solution: Money, Neha had in her digital account = ` 3 5 6 • 4 5
She got on Bhai Dooj from her brother = ` 5 0 0 • 0 0

Her father gave = + ` 2 1 0 • 0 0

Therefore, total money Neha has = ` 1 0 6 6 • 4 5

Thus, Neha has `1066.45 in all.
example 6: Roshmika's mother had 102 kg of wheat flour. She used 26.125 kg of wheat
flour in a month. How much wheat flour is left at the end of the month?

Solution: To find the quantity of wheat flour left, we will find the difference between
both quantities as: 102 kg – 26.125 kg 1 0 2 • 0 0 0 kg

= 102.000 kg – 26.125 kg = 75.875 kg – 2 6 • 1 2 5 kg
Thus, 75.875 kg of wheat flour is left with Roshmika'a mother. 7 5 • 8 7 5 kg

example 7: A fruit vendor had 17.030 kg of mangoes out of which 3.270 kg were rotten.
What is the weight of fresh mangoes?
Solution: Total weight of mangoes = 1 7 • 0 3 0 kg

Weight of rotten mangoes = – 3 • 2 7 0 kg
Weight of fresh mangoes = 1 3 • 7 6 0 kg

Thus, the fruit vendor has 13.760 kg of fresh mangoes.

Think and Answer
What should be added to 2.964 to make it equal to 12.67?

Practice Time 5D

1. Add the following.
(a) 23.21 and 13.57 (b) 57.21 and 1.8 (c) 15.2 and 0.049

(d) 1.0, 7.61 and 10 (e) 256.9, 2.596 and 72.36 (f) 28.75, 19.32 and 6.562
2. Find the sum of the following.
(a) 25.9 + 16.07 (b) 27.09 + 14.87 + 21.25 (c) 26.5 kg + 72.85 kg

(d) `82.76 + `0.82 (e) 7.076 L + 1.5 L (f) 25.25 cm + 0.605 cm

114 Mathematics-5