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

Subtract 12/75 from 5/70

5/70 - 12/75 is -31/350.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 70 × 15 = 1050,
5/70 = 5 × 15/70 × 15 = 75/1050
Likewise, for the 2nd fraction, since 75 × 14 = 1050,
12/75 = 12 × 14/75 × 14 = 168/1050
Subtract the two like fractions:
75/1050 - 168/1050 = 75 - 168/1050 = -93/1050
After reducing the fraction, the answer is -31/350

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