Compare 63/21 and 54/20, Which fraction is greater?

Compare 63/21 and 54/20

1^st number: 3 0/21, 2^nd number: 2 14/20

63/21 is greater than 54/20

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
63/21 = 63 × 20/21 × 20 = 1260/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
54/20 = 54 × 21/20 × 21 = 1134/420
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1260/420 > 1134/420 or 63/21 > 54/20

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