Subtract 80/72 from 3/25, Solve 3/25

Subtract 80/72 from 3/25

1^st number: 3/25, 2^nd number: 1 8/72

3/25 - 80/72 is -223/225.

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,
3/25 = 3 × 72/25 × 72 = 216/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
80/72 = 80 × 25/72 × 25 = 2000/1800
Subtract the two like fractions:
216/1800 - 2000/1800 = 216 - 2000/1800 = -1784/1800
After reducing the fraction, the answer is -223/225

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