Subtract 24/54 from 8/80, Solve 8/80

Subtract 24/54 from 8/80

8/80 - 24/54 is -31/90.

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,
8/80 = 8 × 27/80 × 27 = 216/2160
Likewise, for the 2nd fraction, since 54 × 40 = 2160,
24/54 = 24 × 40/54 × 40 = 960/2160
Subtract the two like fractions:
216/2160 - 960/2160 = 216 - 960/2160 = -744/2160
After reducing the fraction, the answer is -31/90

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