Subtract 9/7 from 18/32
1st number: 18/32, 2nd number: 1 2/7
18/32 - 9/7 is -81/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
9/7 = 9 × 32/7 × 32 = 288/224 - Subtract the two like fractions:
126/224 - 288/224 = 126 - 288/224 = -162/224 - After reducing the fraction, the answer is -81/112
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