Subtract 18/40 from 7/35
7/35 - 18/40 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
7/35 = 7 × 8/35 × 8 = 56/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Subtract the two like fractions:
56/280 - 126/280 = 56 - 126/280 = -70/280 - After reducing the fraction, the answer is -1/4
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