Subtract 21/20 from 7/32
1st number: 7/32, 2nd number: 1 1/20
7/32 - 21/20 is -133/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
7/32 = 7 × 5/32 × 5 = 35/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
21/20 = 21 × 8/20 × 8 = 168/160 - Subtract the two like fractions:
35/160 - 168/160 = 35 - 168/160 = -133/160
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