Subtract 75/40 from 70/54
1st number: 1 16/54, 2nd number: 1 35/40
70/54 - 75/40 is -125/216.
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,
70/54 = 70 × 20/54 × 20 = 1400/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
75/40 = 75 × 27/40 × 27 = 2025/1080 - Subtract the two like fractions:
1400/1080 - 2025/1080 = 1400 - 2025/1080 = -625/1080 - After reducing the fraction, the answer is -125/216
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