Subtract 7/8 from 56/70
56/70 - 7/8 is -3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
56/70 = 56 × 4/70 × 4 = 224/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
7/8 = 7 × 35/8 × 35 = 245/280 - Subtract the two like fractions:
224/280 - 245/280 = 224 - 245/280 = -21/280 - After reducing the fraction, the answer is -3/40
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