Subtract 12/72 from 7/75, Solve 7/75

Subtract 12/72 from 7/75

7/75 - 12/72 is -11/150.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 75 × 24 = 1800,
7/75 = 7 × 24/75 × 24 = 168/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
12/72 = 12 × 25/72 × 25 = 300/1800
Subtract the two like fractions:
168/1800 - 300/1800 = 168 - 300/1800 = -132/1800
After reducing the fraction, the answer is -11/150

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