Subtract 40/56 from 15/35
15/35 - 40/56 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Subtract the two like fractions:
120/280 - 200/280 = 120 - 200/280 = -80/280 - After reducing the fraction, the answer is -2/7
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