Subtract 1/8 from 3/18
3/18 - 1/8 is 1/24.
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,
3/18 = 3 × 4/18 × 4 = 12/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
1/8 = 1 × 9/8 × 9 = 9/72 - Subtract the two like fractions:
12/72 - 9/72 = 12 - 9/72 = 3/72 - After reducing the fraction, the answer is 1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-1/8 3/18-2/8 3/36-1/8 3/18-1/16 9/18-1/8 3/18-3/8 3/54-1/8 3/18-1/24 15/18-1/8 3/18-5/8 3/90-1/8 3/18-1/40 21/18-1/8 3/18-7/8 3/18-1/56