Compare 21/75 and 10/70, Which fraction is greater?

Compare 21/75 and 10/70

21/75 is greater than 10/70

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 75 × 14 = 1050,
21/75 = 21 × 14/75 × 14 = 294/1050
Likewise, for the 2nd fraction, since 70 × 15 = 1050,
10/70 = 10 × 15/70 × 15 = 150/1050
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
294/1050 > 150/1050 or 21/75 > 10/70

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