Subtract 1/18 from 6/7
6/7 - 1/18 is 101/126.
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,
6/7 = 6 × 18/7 × 18 = 108/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
1/18 = 1 × 7/18 × 7 = 7/126 - Subtract the two like fractions:
108/126 - 7/126 = 108 - 7/126 = 101/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-1/18 6/7-2/18 6/14-1/18 6/7-1/36 18/7-1/18 6/7-3/18 6/21-1/18 6/7-1/54 30/7-1/18 6/7-5/18 6/35-1/18 6/7-1/90 42/7-1/18 6/7-7/18 6/49-1/18