Subtract 7/40 from 18/32
18/32 - 7/40 is 31/80.
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,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
7/40 = 7 × 4/40 × 4 = 28/160 - Subtract the two like fractions:
90/160 - 28/160 = 90 - 28/160 = 62/160 - After reducing the fraction, the answer is 31/80
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