Compare 42/35 and 21/70, Which fraction is greater?

Compare 42/35 and 21/70

1^st number: 1 7/35, 2^nd number: 21/70

42/35 is greater than 21/70

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70
Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
84/70 > 21/70 or 42/35 > 21/70

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