Subtract 5/40 from 21/32
21/32 - 5/40 is 17/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
5/40 = 5 × 4/40 × 4 = 20/160 - Subtract the two like fractions:
105/160 - 20/160 = 105 - 20/160 = 85/160 - After reducing the fraction, the answer is 17/32
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