Subtract 12/9 from 14/70, Solve 14/70

Subtract 12/9 from 14/70

1^st number: 14/70, 2^nd number: 1 3/9

14/70 - 12/9 is -17/15.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
12/9 = 12 × 70/9 × 70 = 840/630
Subtract the two like fractions:
126/630 - 840/630 = 126 - 840/630 = -714/630
After reducing the fraction, the answer is -17/15

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