Compare 18/32 and 21/15
1st number: 18/32, 2nd number: 1 6/15
18/32 is smaller than 21/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 15 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
18/32 = 18 × 15/32 × 15 = 270/480 - Likewise, for the 2nd fraction, since 15 × 32 = 480,
21/15 = 21 × 32/15 × 32 = 672/480 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/480 < 672/480 or 18/32 < 21/15
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