Compare 21/63 and 9/8
1st number: 21/63, 2nd number: 1 1/8
21/63 is smaller than 9/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
9/8 = 9 × 63/8 × 63 = 567/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/504 < 567/504 or 21/63 < 9/8
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