Subtract 7/18 from 8/56
8/56 - 7/18 is -31/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
8/56 = 8 × 9/56 × 9 = 72/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
7/18 = 7 × 28/18 × 28 = 196/504 - Subtract the two like fractions:
72/504 - 196/504 = 72 - 196/504 = -124/504 - After reducing the fraction, the answer is -31/126
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