Subtract 6/8 from 1/18
1/18 - 6/8 is -25/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
1/18 = 1 × 4/18 × 4 = 4/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
6/8 = 6 × 9/8 × 9 = 54/72 - Subtract the two like fractions:
4/72 - 54/72 = 4 - 54/72 = -50/72 - After reducing the fraction, the answer is -25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-6/8 1/18-12/8 1/36-6/8 1/18-6/16 3/18-6/8 1/18-18/8 1/54-6/8 1/18-6/24 5/18-6/8 1/18-30/8 1/90-6/8 1/18-6/40 7/18-6/8 1/18-42/8 1/18-6/56