Compare 15/32 and 8/21
15/32 is greater than 8/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
15/32 = 15 × 21/32 × 21 = 315/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
8/21 = 8 × 32/21 × 32 = 256/672 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/672 > 256/672 or 15/32 > 8/21
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