Subtract 2/7 from 35/18
1st number: 1 17/18, 2nd number: 2/7
35/18 - 2/7 is 209/126.
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,
35/18 = 35 × 7/18 × 7 = 245/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
2/7 = 2 × 18/7 × 18 = 36/126 - Subtract the two like fractions:
245/126 - 36/126 = 245 - 36/126 = 209/126 - In mixed form: 183/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-2/7 35/18-4/7 35/36-2/7 35/18-2/14 35/18-6/7 35/54-2/7 35/18-2/21 35/18-10/7 35/90-2/7 35/18-2/35 35/18-14/7 35/18-2/49