Compare 5/21 and 56/54, Which fraction is greater?

Compare 5/21 and 56/54

1^st number: 5/21, 2^nd number: 1 2/54

5/21 is smaller than 56/54

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 21 × 18 = 378,
5/21 = 5 × 18/21 × 18 = 90/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/378 < 392/378 or 5/21 < 56/54

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