Compare 21/32 and 18/25
21/32 is smaller than 18/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 25 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 32 × 25 = 800,
21/32 = 21 × 25/32 × 25 = 525/800 - Likewise, for the 2nd fraction, since 25 × 32 = 800,
18/25 = 18 × 32/25 × 32 = 576/800 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/800 < 576/800 or 21/32 < 18/25
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