Compare 18/81 and 5/56
18/81 is greater than 5/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
18/81 = 18 × 56/81 × 56 = 1008/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
5/56 = 5 × 81/56 × 81 = 405/4536 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1008/4536 > 405/4536 or 18/81 > 5/56
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