Subtract 49/27 from 4/80, Solve 4/80

Subtract 49/27 from 4/80

1^st number: 4/80, 2^nd number: 1 22/27

4/80 - 49/27 is -953/540.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
4/80 = 4 × 27/80 × 27 = 108/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
49/27 = 49 × 80/27 × 80 = 3920/2160
Subtract the two like fractions:
108/2160 - 3920/2160 = 108 - 3920/2160 = -3812/2160
After reducing the fraction, the answer is -953/540

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