Subtract 36/40 from 28/35
28/35 - 36/40 is -1/10.
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,
28/35 = 28 × 8/35 × 8 = 224/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Subtract the two like fractions:
224/280 - 252/280 = 224 - 252/280 = -28/280 - After reducing the fraction, the answer is -1/10
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