1.

From the following pairs of numbers, find the reduced form of ratio of first number to second number.i. 72,60 ii. 38,57iii. 52,78

Answer»

i. 72, 60

Ratio =\(\frac{72}{60}\)  =\(\frac{12\times6}{12\times5}\) = \(\frac{6}{5}\) = 6 : 5

ii. 38, 57

Ratio =\(\frac{38}{57}\)  =\(\frac{19\times2}{19\times3}\) = \(\frac{2}{3}\) = 2 : 3

iii. 52, 78

Ratio =\(\frac{52}{78}\)  =\(\frac{26\times2}{26\times3}\) = \(\frac{2}{3}\) = 2 : 3



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