Subtract 10/27 from 28/40, Solve 28/40

Subtract 10/27 from 28/40

28/40 - 10/27 is 89/270.

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,
28/40 = 28 × 27/40 × 27 = 756/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
10/27 = 10 × 40/27 × 40 = 400/1080
Subtract the two like fractions:
756/1080 - 400/1080 = 756 - 400/1080 = 356/1080
After reducing the fraction, the answer is 89/270

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