Compare 90/21 and 56/36
1st number: 4 6/21, 2nd number: 1 20/36
90/21 is greater than 56/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
90/21 = 90 × 12/21 × 12 = 1080/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/252 > 392/252 or 90/21 > 56/36
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