Subtract 56/7 from 75/18
1st number: 4 3/18, 2nd number: 8 0/7
75/18 - 56/7 is -23/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
75/18 = 75 × 7/18 × 7 = 525/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
56/7 = 56 × 18/7 × 18 = 1008/126 - Subtract the two like fractions:
525/126 - 1008/126 = 525 - 1008/126 = -483/126 - After reducing the fraction, the answer is -23/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/36-56/7 75/18-56/14 75/54-56/7 75/18-56/21 75/90-56/7 75/18-56/35 75/18-56/49