Subtract 12/40 from 84/54
1st number: 1 30/54, 2nd number: 12/40
84/54 - 12/40 is 113/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
84/54 = 84 × 20/54 × 20 = 1680/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
12/40 = 12 × 27/40 × 27 = 324/1080 - Subtract the two like fractions:
1680/1080 - 324/1080 = 1680 - 324/1080 = 1356/1080 - After reducing the fraction, the answer is 113/90
- In mixed form: 123/90
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