Subtract 9/40 from 21/32
21/32 - 9/40 is 69/160.
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,
9/40 = 9 × 4/40 × 4 = 36/160 - Subtract the two like fractions:
105/160 - 36/160 = 105 - 36/160 = 69/160
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