Subtract 15/35 from 5/40
5/40 - 15/35 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Subtract the two like fractions:
35/280 - 120/280 = 35 - 120/280 = -85/280 - After reducing the fraction, the answer is -17/56
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