Subtract 15/54 from 90/40
1st number: 2 10/40, 2nd number: 15/54
90/40 - 15/54 is 71/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
90/40 = 90 × 27/40 × 27 = 2430/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
15/54 = 15 × 20/54 × 20 = 300/1080 - Subtract the two like fractions:
2430/1080 - 300/1080 = 2430 - 300/1080 = 2130/1080 - After reducing the fraction, the answer is 71/36
- In mixed form: 135/36
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