Subtract 56/63 from 4/8, Solve 4/8

Subtract 56/63 from 4/8

4/8 - 56/63 is -7/18.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 8 × 63 = 504,
4/8 = 4 × 63/8 × 63 = 252/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504
Subtract the two like fractions:
252/504 - 448/504 = 252 - 448/504 = -196/504
After reducing the fraction, the answer is -7/18

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