Subtract 21/45 from 3/25, Solve 3/25

Subtract 21/45 from 3/25

3/25 - 21/45 is -26/75.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 25 × 9 = 225,
3/25 = 3 × 9/25 × 9 = 27/225
Likewise, for the 2nd fraction, since 45 × 5 = 225,
21/45 = 21 × 5/45 × 5 = 105/225
Subtract the two like fractions:
27/225 - 105/225 = 27 - 105/225 = -78/225
After reducing the fraction, the answer is -26/75

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