Subtract 8/27 from 6/40, Solve 6/40

Subtract 8/27 from 6/40

6/40 - 8/27 is -79/540.

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,
6/40 = 6 × 27/40 × 27 = 162/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
8/27 = 8 × 40/27 × 40 = 320/1080
Subtract the two like fractions:
162/1080 - 320/1080 = 162 - 320/1080 = -158/1080
After reducing the fraction, the answer is -79/540

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