Subtract 45/72 from 12/25, Solve 12/25

Subtract 45/72 from 12/25

12/25 - 45/72 is -29/200.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 25 × 72 = 1800,
12/25 = 12 × 72/25 × 72 = 864/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
45/72 = 45 × 25/72 × 25 = 1125/1800
Subtract the two like fractions:
864/1800 - 1125/1800 = 864 - 1125/1800 = -261/1800
After reducing the fraction, the answer is -29/200

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