Subtract 8/72 from 18/25, Solve 18/25

Subtract 8/72 from 18/25

18/25 - 8/72 is 137/225.

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,
18/25 = 18 × 72/25 × 72 = 1296/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
8/72 = 8 × 25/72 × 25 = 200/1800
Subtract the two like fractions:
1296/1800 - 200/1800 = 1296 - 200/1800 = 1096/1800
After reducing the fraction, the answer is 137/225

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