Subtract 25/50 from 10/72, Solve 10/72

Subtract 25/50 from 10/72

10/72 - 25/50 is -13/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
10/72 = 10 × 25/72 × 25 = 250/1800
Likewise, for the 2nd fraction, since 50 × 36 = 1800,
25/50 = 25 × 36/50 × 36 = 900/1800
Subtract the two like fractions:
250/1800 - 900/1800 = 250 - 900/1800 = -650/1800
After reducing the fraction, the answer is -13/36

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