Subtract 18/63 from 9/56, Solve 9/56

Subtract 18/63 from 9/56

9/56 - 18/63 is -1/8.

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,
9/56 = 9 × 9/56 × 9 = 81/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504
Subtract the two like fractions:
81/504 - 144/504 = 81 - 144/504 = -63/504
After reducing the fraction, the answer is -1/8

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