Subtract 42/27 from 90/25
1st number: 3 15/25, 2nd number: 1 15/27
90/25 - 42/27 is 92/45.
Steps for subtracting fractions
- 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,
42/27 = 42 × 25/27 × 25 = 1050/675 - Subtract the two like fractions:
2430/675 - 1050/675 = 2430 - 1050/675 = 1380/675 - After reducing the fraction, the answer is 92/45
- In mixed form: 22/45
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