Compare 42/96 and 70/21, Which fraction is greater?

Compare 42/96 and 70/21

1^st number: 42/96, 2^nd number: 3 7/21

42/96 is smaller than 70/21

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 21 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 96 × 7 = 672,
42/96 = 42 × 7/96 × 7 = 294/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
70/21 = 70 × 32/21 × 32 = 2240/672
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
294/672 < 2240/672 or 42/96 < 70/21

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