Compare 21/8 and 63/7
1st number: 2 5/8, 2nd number: 9 0/7
21/8 is smaller than 63/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
21/8 = 21 × 7/8 × 7 = 147/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
63/7 = 63 × 8/7 × 8 = 504/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/56 < 504/56 or 21/8 < 63/7
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