Compare 70/25 and 21/63, Which fraction is greater?

Compare 70/25 and 21/63

1^st number: 2 20/25, 2^nd number: 21/63

70/25 is greater than 21/63

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575

Next, find the equivalent fraction of both fractional numbers with denominator 1575
For the 1st fraction, since 25 × 63 = 1575,
70/25 = 70 × 63/25 × 63 = 4410/1575
Likewise, for the 2nd fraction, since 63 × 25 = 1575,
21/63 = 21 × 25/63 × 25 = 525/1575
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
4410/1575 > 525/1575 or 70/25 > 21/63

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