Question

Find the compounded ratio of. 5:7 and 9:10​

Answer 1

Question:

Find the compounded ratio of 5:7 and 9:10.

Step-by-step explanation:

Given,

Ratios = 5:7 and 9:10

a/b = 5/7 and c/d = 9/10

To Find :

Find the compound ratio of a/b and c/d, i. e. 5/7 and 9/10

Solution :

Compound ratio of two fraction is obtained by multiplication of two fraction:

Compound Ratio = a/b × c/d

Compound Ratio = 5/7 × 9/10

Compound Ratio = 5 × 9 / 7 × 10

Compound Ratio = 45/70

So the compound ratio of 5:7 and 9:10 is 45:70

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