Subtract 6/40 from 8/70
8/70 - 6/40 is -1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
8/70 = 8 × 4/70 × 4 = 32/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Subtract the two like fractions:
32/280 - 42/280 = 32 - 42/280 = -10/280 - After reducing the fraction, the answer is -1/28
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