Subtract 3/18 from 56/7
1st number: 8 0/7, 2nd number: 3/18
56/7 - 3/18 is 47/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
56/7 = 56 × 18/7 × 18 = 1008/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Subtract the two like fractions:
1008/126 - 21/126 = 1008 - 21/126 = 987/126 - After reducing the fraction, the answer is 47/6
- In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-6/18 56/14-3/18 56/7-3/36 56/7-9/18 56/21-3/18 56/7-3/54 56/7-15/18 56/35-3/18 56/7-3/90 56/7-21/18 56/49-3/18