Subtract 7/18 from 6/7
6/7 - 7/18 is 59/126.
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,
7/18 = 7 × 7/18 × 7 = 49/126 - Subtract the two like fractions:
108/126 - 49/126 = 108 - 49/126 = 59/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-7/18 6/7-14/18 6/14-7/18 6/7-7/36 18/7-7/18 6/7-21/18 6/21-7/18 6/7-7/54 30/7-7/18 6/7-35/18 6/35-7/18 6/7-7/90 42/7-7/18 6/7-49/18 6/49-7/18