Compare 4/5 and 81/49, Which fraction is greater?

Compare 4/5 and 81/49

1^st number: 4/5, 2^nd number: 1 32/49

4/5 is smaller than 81/49

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245

Next, find the equivalent fraction of both fractional numbers with denominator 245
For the 1st fraction, since 5 × 49 = 245,
4/5 = 4 × 49/5 × 49 = 196/245
Likewise, for the 2nd fraction, since 49 × 5 = 245,
81/49 = 81 × 5/49 × 5 = 405/245
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
196/245 < 405/245 or 4/5 < 81/49

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