Subtract 10/75 from 2/80, Solve 2/80

Subtract 10/75 from 2/80

2/80 - 10/75 is -13/120.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 80 × 15 = 1200,
2/80 = 2 × 15/80 × 15 = 30/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
10/75 = 10 × 16/75 × 16 = 160/1200
Subtract the two like fractions:
30/1200 - 160/1200 = 30 - 160/1200 = -130/1200
After reducing the fraction, the answer is -13/120

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