Solutions by everydaycalculation.com

## Subtract 15/70 from 8/60

8/60 - 15/70 is -17/210.

#### Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
8/60 = 8 × 7/60 × 7 = 56/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
15/70 = 15 × 6/70 × 6 = 90/420
4. Subtract the two like fractions:
56/420 - 90/420 = 56 - 90/420 = -34/420
5. After reducing the fraction, the answer is -17/210

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