Subtract 4/56 from 10/20, Solve 10/20

Subtract 4/56 from 10/20

10/20 - 4/56 is 3/7.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 20 × 14 = 280,
10/20 = 10 × 14/20 × 14 = 140/280
Likewise, for the 2nd fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280
Subtract the two like fractions:
140/280 - 20/280 = 140 - 20/280 = 120/280
After reducing the fraction, the answer is 3/7

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