Subtract 14/18 from 12/56, Solve 12/56

Subtract 14/18 from 12/56

12/56 - 14/18 is -71/126.

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,
12/56 = 12 × 9/56 × 9 = 108/504
Likewise, for the 2nd fraction, since 18 × 28 = 504,
14/18 = 14 × 28/18 × 28 = 392/504
Subtract the two like fractions:
108/504 - 392/504 = 108 - 392/504 = -284/504
After reducing the fraction, the answer is -71/126

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