Compare 50/20 and 21/63, Which fraction is greater?

Compare 50/20 and 21/63

1^st number: 2 10/20, 2^nd number: 21/63

50/20 is greater than 21/63

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
50/20 = 50 × 63/20 × 63 = 3150/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
21/63 = 21 × 20/63 × 20 = 420/1260
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
3150/1260 > 420/1260 or 50/20 > 21/63

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