Subtract 70/25 from 2/12, Solve 2/12

Subtract 70/25 from 2/12

1^st number: 2/12, 2^nd number: 2 20/25

2/12 - 70/25 is -79/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
2/12 = 2 × 25/12 × 25 = 50/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
70/25 = 70 × 12/25 × 12 = 840/300
Subtract the two like fractions:
50/300 - 840/300 = 50 - 840/300 = -790/300
After reducing the fraction, the answer is -79/30

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