Subtract 12/63 from 7/56
7/56 - 12/63 is -11/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
7/56 = 7 × 9/56 × 9 = 63/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Subtract the two like fractions:
63/504 - 96/504 = 63 - 96/504 = -33/504 - After reducing the fraction, the answer is -11/168
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