Compare 81/50 and 9/72, Which fraction is greater?

Compare 81/50 and 9/72

1^st number: 1 31/50, 2^nd number: 9/72

81/50 is greater than 9/72

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 50 × 36 = 1800,
81/50 = 81 × 36/50 × 36 = 2916/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
9/72 = 9 × 25/72 × 25 = 225/1800
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2916/1800 > 225/1800 or 81/50 > 9/72

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