Compare 12/98 and 21/63, Which fraction is greater?

Compare 12/98 and 21/63

12/98 is smaller than 21/63

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
12/98 = 12 × 9/98 × 9 = 108/882
Likewise, for the 2nd fraction, since 63 × 14 = 882,
21/63 = 21 × 14/63 × 14 = 294/882
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
108/882 < 294/882 or 12/98 < 21/63

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