Compare 81/18 and 90/56
1st number: 4 9/18, 2nd number: 1 34/56
81/18 is greater than 90/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
81/18 = 81 × 28/18 × 28 = 2268/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2268/504 > 810/504 or 81/18 > 90/56
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