Subtract 21/27 from 84/25, Solve 3 9/25

Subtract 21/27 from 84/25

1^st number: 3 9/25, 2^nd number: 21/27

84/25 - 21/27 is 581/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
84/25 = 84 × 27/25 × 27 = 2268/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
21/27 = 21 × 25/27 × 25 = 525/675
Subtract the two like fractions:
2268/675 - 525/675 = 2268 - 525/675 = 1743/675
After reducing the fraction, the answer is 581/225
In mixed form: 2131/225

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