Subtract 20/32 from 1/7
1/7 - 20/32 is -27/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
1/7 = 1 × 32/7 × 32 = 32/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
20/32 = 20 × 7/32 × 7 = 140/224 - Subtract the two like fractions:
32/224 - 140/224 = 32 - 140/224 = -108/224 - After reducing the fraction, the answer is -27/56
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