Subtract 45/80 from 5/54, Solve 5/54

Subtract 45/80 from 5/54

5/54 - 45/80 is -203/432.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 54 × 40 = 2160,
5/54 = 5 × 40/54 × 40 = 200/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
45/80 = 45 × 27/80 × 27 = 1215/2160
Subtract the two like fractions:
200/2160 - 1215/2160 = 200 - 1215/2160 = -1015/2160
After reducing the fraction, the answer is -203/432

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