Subtract 27/12 from 6/80, Solve 6/80

Subtract 27/12 from 6/80

1^st number: 6/80, 2^nd number: 2 3/12

6/80 - 27/12 is -87/40.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
6/80 = 6 × 3/80 × 3 = 18/240
Likewise, for the 2nd fraction, since 12 × 20 = 240,
27/12 = 27 × 20/12 × 20 = 540/240
Subtract the two like fractions:
18/240 - 540/240 = 18 - 540/240 = -522/240
After reducing the fraction, the answer is -87/40

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