Compare 21/54 and 56/7, Which fraction is greater?

Compare 21/54 and 56/7

1^st number: 21/54, 2^nd number: 8 0/7

21/54 is smaller than 56/7

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
56/7 = 56 × 54/7 × 54 = 3024/378
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
147/378 < 3024/378 or 21/54 < 56/7

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