Subtract 2/10 from 20/56, Solve 20/56

Subtract 2/10 from 20/56

20/56 - 2/10 is 11/70.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280
Likewise, for the 2nd fraction, since 10 × 28 = 280,
2/10 = 2 × 28/10 × 28 = 56/280
Subtract the two like fractions:
100/280 - 56/280 = 100 - 56/280 = 44/280
After reducing the fraction, the answer is 11/70

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