Subtract 3/25 from 40/72, Solve 40/72

Subtract 3/25 from 40/72

40/72 - 3/25 is 98/225.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
40/72 = 40 × 25/72 × 25 = 1000/1800
Likewise, for the 2nd fraction, since 25 × 72 = 1800,
3/25 = 3 × 72/25 × 72 = 216/1800
Subtract the two like fractions:
1000/1800 - 216/1800 = 1000 - 216/1800 = 784/1800
After reducing the fraction, the answer is 98/225

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