Subtract 8/18 from 2/4
2/4 - 8/18 is 1/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
2/4 = 2 × 9/4 × 9 = 18/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Subtract the two like fractions:
18/36 - 16/36 = 18 - 16/36 = 2/36 - After reducing the fraction, the answer is 1/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-16/18 2/8-8/18 2/4-8/36 6/4-8/18 2/4-24/18 2/12-8/18 2/4-8/54 10/4-8/18 2/4-40/18 2/20-8/18 2/4-8/90 14/4-8/18 2/4-56/18 2/28-8/18