Compare 20/7 and 21/56
1st number: 2 6/7, 2nd number: 21/56
20/7 is greater than 21/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
20/7 = 20 × 8/7 × 8 = 160/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 160/56 > 21/56 or 20/7 > 21/56
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