Compare 30/72 and 21/98, Which fraction is greater?

Compare 30/72 and 21/98

30/72 is greater than 21/98

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
30/72 = 30 × 49/72 × 49 = 1470/3528
Likewise, for the 2nd fraction, since 98 × 36 = 3528,
21/98 = 21 × 36/98 × 36 = 756/3528
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1470/3528 > 756/3528 or 30/72 > 21/98

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