Compare 45/75 and 81/49, Which fraction is greater?

Compare 45/75 and 81/49

1^st number: 45/75, 2^nd number: 1 32/49

45/75 is smaller than 81/49

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675

Next, find the equivalent fraction of both fractional numbers with denominator 3675
For the 1st fraction, since 75 × 49 = 3675,
45/75 = 45 × 49/75 × 49 = 2205/3675
Likewise, for the 2nd fraction, since 49 × 75 = 3675,
81/49 = 81 × 75/49 × 75 = 6075/3675
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2205/3675 < 6075/3675 or 45/75 < 81/49

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