Subtract 6/40 from 3/27
3/27 - 6/40 is -7/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
3/27 = 3 × 40/27 × 40 = 120/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
6/40 = 6 × 27/40 × 27 = 162/1080 - Subtract the two like fractions:
120/1080 - 162/1080 = 120 - 162/1080 = -42/1080 - After reducing the fraction, the answer is -7/180
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