Subtract 75/70 from 5/12, Solve 5/12

Subtract 75/70 from 5/12

1^st number: 5/12, 2^nd number: 1 5/70

5/12 - 75/70 is -55/84.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
5/12 = 5 × 35/12 × 35 = 175/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
75/70 = 75 × 6/70 × 6 = 450/420
Subtract the two like fractions:
175/420 - 450/420 = 175 - 450/420 = -275/420
After reducing the fraction, the answer is -55/84

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