Compare 7/30 and 21/32
7/30 is smaller than 21/32
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
7/30 = 7 × 16/30 × 16 = 112/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
21/32 = 21 × 15/32 × 15 = 315/480 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/480 < 315/480 or 7/30 < 21/32
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