Subtract 36/40 from 35/70
35/70 - 36/40 is -2/5.
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,
35/70 = 35 × 4/70 × 4 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Subtract the two like fractions:
140/280 - 252/280 = 140 - 252/280 = -112/280 - After reducing the fraction, the answer is -2/5
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