Subtract 80/12 from 18/25, Solve 18/25

Subtract 80/12 from 18/25

1^st number: 18/25, 2^nd number: 6 8/12

18/25 - 80/12 is -446/75.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 25 × 12 = 300,
18/25 = 18 × 12/25 × 12 = 216/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
80/12 = 80 × 25/12 × 25 = 2000/300
Subtract the two like fractions:
216/300 - 2000/300 = 216 - 2000/300 = -1784/300
After reducing the fraction, the answer is -446/75

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