Subtract 70/42 from 10/36, Solve 10/36

Subtract 70/42 from 10/36

1^st number: 10/36, 2^nd number: 1 28/42

10/36 - 70/42 is -25/18.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
10/36 = 10 × 7/36 × 7 = 70/252
Likewise, for the 2nd fraction, since 42 × 6 = 252,
70/42 = 70 × 6/42 × 6 = 420/252
Subtract the two like fractions:
70/252 - 420/252 = 70 - 420/252 = -350/252
After reducing the fraction, the answer is -25/18

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