Subtract 12/7 from 18/56
1st number: 18/56, 2nd number: 1 5/7
18/56 - 12/7 is -39/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Subtract the two like fractions:
18/56 - 96/56 = 18 - 96/56 = -78/56 - After reducing the fraction, the answer is -39/28
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