Compare 50/21 and 18/63, Which fraction is greater?

Compare 50/21 and 18/63

1^st number: 2 8/21, 2^nd number: 18/63

50/21 is greater than 18/63

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 21 × 3 = 63,
50/21 = 50 × 3/21 × 3 = 150/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
150/63 > 18/63 or 50/21 > 18/63

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