Subtract 4/15 from 8/70
8/70 - 4/15 is -16/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
8/70 = 8 × 3/70 × 3 = 24/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
4/15 = 4 × 14/15 × 14 = 56/210 - Subtract the two like fractions:
24/210 - 56/210 = 24 - 56/210 = -32/210 - After reducing the fraction, the answer is -16/105
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