Subtract 10/54 from 5/80, Solve 5/80

Subtract 10/54 from 5/80

5/80 - 10/54 is -53/432.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
5/80 = 5 × 27/80 × 27 = 135/2160
Likewise, for the 2nd fraction, since 54 × 40 = 2160,
10/54 = 10 × 40/54 × 40 = 400/2160
Subtract the two like fractions:
135/2160 - 400/2160 = 135 - 400/2160 = -265/2160
After reducing the fraction, the answer is -53/432

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