Compare 42/35 and 20/72, Which fraction is greater?

Compare 42/35 and 20/72

1^st number: 1 7/35, 2^nd number: 20/72

42/35 is greater than 20/72

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
20/72 = 20 × 35/72 × 35 = 700/2520
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
3024/2520 > 700/2520 or 42/35 > 20/72

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