Subtract 9/80 from 15/75, Solve 15/75

Subtract 9/80 from 15/75

15/75 - 9/80 is 7/80.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 75 × 16 = 1200,
15/75 = 15 × 16/75 × 16 = 240/1200
Likewise, for the 2nd fraction, since 80 × 15 = 1200,
9/80 = 9 × 15/80 × 15 = 135/1200
Subtract the two like fractions:
240/1200 - 135/1200 = 240 - 135/1200 = 105/1200
After reducing the fraction, the answer is 7/80

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