Compare 90/21 and 30/56
1st number: 4 6/21, 2nd number: 30/56
90/21 is greater than 30/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
90/21 = 90 × 8/21 × 8 = 720/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/168 > 90/168 or 90/21 > 30/56
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