Subtract 7/32 from 4/20
4/20 - 7/32 is -3/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
4/20 = 4 × 8/20 × 8 = 32/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
7/32 = 7 × 5/32 × 5 = 35/160 - Subtract the two like fractions:
32/160 - 35/160 = 32 - 35/160 = -3/160
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