Compare 81/30 and 18/56
1st number: 2 21/30, 2nd number: 18/56
81/30 is greater than 18/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
81/30 = 81 × 28/30 × 28 = 2268/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2268/840 > 270/840 or 81/30 > 18/56
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