Subtract 45/36 from 10/42, Solve 10/42

Subtract 45/36 from 10/42

1^st number: 10/42, 2^nd number: 1 9/36

10/42 - 45/36 is -85/84.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 42 × 6 = 252,
10/42 = 10 × 6/42 × 6 = 60/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252
Subtract the two like fractions:
60/252 - 315/252 = 60 - 315/252 = -255/252
After reducing the fraction, the answer is -85/84

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