Compare 50/70 and 42/49, Which fraction is greater?

Compare 50/70 and 42/49

50/70 is smaller than 42/49

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
50/70 = 50 × 7/70 × 7 = 350/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
42/49 = 42 × 10/49 × 10 = 420/490
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
350/490 < 420/490 or 50/70 < 42/49

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