Subtract 20/54 from 70/40
1st number: 1 30/40, 2nd number: 20/54
70/40 - 20/54 is 149/108.
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,
70/40 = 70 × 27/40 × 27 = 1890/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
20/54 = 20 × 20/54 × 20 = 400/1080 - Subtract the two like fractions:
1890/1080 - 400/1080 = 1890 - 400/1080 = 1490/1080 - After reducing the fraction, the answer is 149/108
- In mixed form: 141/108
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