Subtract 9/27 from 3/40
3/40 - 9/27 is -31/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
3/40 = 3 × 27/40 × 27 = 81/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
9/27 = 9 × 40/27 × 40 = 360/1080 - Subtract the two like fractions:
81/1080 - 360/1080 = 81 - 360/1080 = -279/1080 - After reducing the fraction, the answer is -31/120
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