Subtract 3/18 from 3/8
3/8 - 3/18 is 5/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
3/8 = 3 × 9/8 × 9 = 27/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
3/18 = 3 × 4/18 × 4 = 12/72 - Subtract the two like fractions:
27/72 - 12/72 = 27 - 12/72 = 15/72 - After reducing the fraction, the answer is 5/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-3/18 3/8-6/18 3/16-3/18 3/8-3/36 9/8-3/18 3/8-9/18 3/24-3/18 3/8-3/54 15/8-3/18 3/8-15/18 3/40-3/18 3/8-3/90 21/8-3/18 3/8-21/18 3/56-3/18