Compare 84/48 and 20/81, Which fraction is greater?

Compare 84/48 and 20/81

1^st number: 1 36/48, 2^nd number: 20/81

84/48 is greater than 20/81

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296

Next, find the equivalent fraction of both fractional numbers with denominator 1296
For the 1st fraction, since 48 × 27 = 1296,
84/48 = 84 × 27/48 × 27 = 2268/1296
Likewise, for the 2nd fraction, since 81 × 16 = 1296,
20/81 = 20 × 16/81 × 16 = 320/1296
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2268/1296 > 320/1296 or 84/48 > 20/81

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