Compare 90/14 and 21/9, Which fraction is greater?

Compare 90/14 and 21/9

1^st number: 6 6/14, 2^nd number: 2 3/9

90/14 is greater than 21/9

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
21/9 = 21 × 14/9 × 14 = 294/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
810/126 > 294/126 or 90/14 > 21/9

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