Subtract 35/24 from 7/42, Solve 7/42

Subtract 35/24 from 7/42

1^st number: 7/42, 2^nd number: 1 11/24

7/42 - 35/24 is -31/24.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
7/42 = 7 × 4/42 × 4 = 28/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
35/24 = 35 × 7/24 × 7 = 245/168
Subtract the two like fractions:
28/168 - 245/168 = 28 - 245/168 = -217/168
After reducing the fraction, the answer is -31/24

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