Compare 20/15 and 90/56
1st number: 1 5/15, 2nd number: 1 34/56
20/15 is smaller than 90/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
20/15 = 20 × 56/15 × 56 = 1120/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1120/840 < 1350/840 or 20/15 < 90/56
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