Subtract 56/48 from 20/35, Solve 20/35

Subtract 56/48 from 20/35

1^st number: 20/35, 2^nd number: 1 8/48

20/35 - 56/48 is -25/42.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 48 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 35 × 48 = 1680,
20/35 = 20 × 48/35 × 48 = 960/1680
Likewise, for the 2nd fraction, since 48 × 35 = 1680,
56/48 = 56 × 35/48 × 35 = 1960/1680
Subtract the two like fractions:
960/1680 - 1960/1680 = 960 - 1960/1680 = -1000/1680
After reducing the fraction, the answer is -25/42

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