Subtract 12/27 from 90/25, Solve 3 15/25

Subtract 12/27 from 90/25

1^st number: 3 15/25, 2^nd number: 12/27

90/25 - 12/27 is 142/45.

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,
90/25 = 90 × 27/25 × 27 = 2430/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
12/27 = 12 × 25/27 × 25 = 300/675
Subtract the two like fractions:
2430/675 - 300/675 = 2430 - 300/675 = 2130/675
After reducing the fraction, the answer is 142/45
In mixed form: 37/45

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