Compare 6/20 and 56/21, Which fraction is greater?

Compare 6/20 and 56/21

1^st number: 6/20, 2^nd number: 2 14/21

6/20 is smaller than 56/21

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
6/20 = 6 × 21/20 × 21 = 126/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
56/21 = 56 × 20/21 × 20 = 1120/420
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
126/420 < 1120/420 or 6/20 < 56/21

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