Subtract 3/18 from 10/7
1st number: 1 3/7, 2nd number: 3/18
10/7 - 3/18 is 53/42.
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,
10/7 = 10 × 18/7 × 18 = 180/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Subtract the two like fractions:
180/126 - 21/126 = 180 - 21/126 = 159/126 - After reducing the fraction, the answer is 53/42
- In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7-3/18 10/7-6/18 10/14-3/18 10/7-3/36 30/7-3/18 10/7-9/18 10/21-3/18 10/7-3/54 50/7-3/18 10/7-15/18 10/35-3/18 10/7-3/90 70/7-3/18 10/7-21/18 10/49-3/18