Compare 9/18 and 81/49, Which fraction is greater?

Compare 9/18 and 81/49

1^st number: 9/18, 2^nd number: 1 32/49

9/18 is smaller than 81/49

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 18 × 49 = 882,
9/18 = 9 × 49/18 × 49 = 441/882
Likewise, for the 2nd fraction, since 49 × 18 = 882,
81/49 = 81 × 18/49 × 18 = 1458/882
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
441/882 < 1458/882 or 9/18 < 81/49

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