Compare 25/21 and 10/15, Which fraction is greater?

Compare 25/21 and 10/15

1^st number: 1 4/21, 2^nd number: 10/15

25/21 is greater than 10/15

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
25/21 = 25 × 5/21 × 5 = 125/105
Likewise, for the 2nd fraction, since 15 × 7 = 105,
10/15 = 10 × 7/15 × 7 = 70/105
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
125/105 > 70/105 or 25/21 > 10/15

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