Compare 45/75 and 81/14, Which fraction is greater?

Compare 45/75 and 81/14

1^st number: 45/75, 2^nd number: 5 11/14

45/75 is smaller than 81/14

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 14 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 75 × 14 = 1050,
45/75 = 45 × 14/75 × 14 = 630/1050
Likewise, for the 2nd fraction, since 14 × 75 = 1050,
81/14 = 81 × 75/14 × 75 = 6075/1050
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
630/1050 < 6075/1050 or 45/75 < 81/14

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