Subtract 2/21 from 15/32
15/32 - 2/21 is 251/672.
Steps for subtracting 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,
2/21 = 2 × 32/21 × 32 = 64/672 - Subtract the two like fractions:
315/672 - 64/672 = 315 - 64/672 = 251/672
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