Subtract 80/27 from 45/25, Solve 1 20/25

Subtract 80/27 from 45/25

1^st number: 1 20/25, 2^nd number: 2 26/27

45/25 - 80/27 is -157/135.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
45/25 = 45 × 27/25 × 27 = 1215/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
80/27 = 80 × 25/27 × 25 = 2000/675
Subtract the two like fractions:
1215/675 - 2000/675 = 1215 - 2000/675 = -785/675
After reducing the fraction, the answer is -157/135

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