Subtract 35/40 from 56/42, Solve 1 14/42

Subtract 35/40 from 56/42

1^st number: 1 14/42, 2^nd number: 35/40

56/42 - 35/40 is 11/24.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 42 × 20 = 840,
56/42 = 56 × 20/42 × 20 = 1120/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
35/40 = 35 × 21/40 × 21 = 735/840
Subtract the two like fractions:
1120/840 - 735/840 = 1120 - 735/840 = 385/840
After reducing the fraction, the answer is 11/24

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