Subtract 42/54 from 90/25
1st number: 3 15/25, 2nd number: 42/54
90/25 - 42/54 is 127/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
90/25 = 90 × 54/25 × 54 = 4860/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
42/54 = 42 × 25/54 × 25 = 1050/1350 - Subtract the two like fractions:
4860/1350 - 1050/1350 = 4860 - 1050/1350 = 3810/1350 - After reducing the fraction, the answer is 127/45
- In mixed form: 237/45
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