Subtract 5/18 from 2/4
2/4 - 5/18 is 2/9.
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,
5/18 = 5 × 2/18 × 2 = 10/36 - Subtract the two like fractions:
18/36 - 10/36 = 18 - 10/36 = 8/36 - After reducing the fraction, the answer is 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-10/18 2/8-5/18 2/4-5/36 6/4-5/18 2/4-15/18 2/12-5/18 2/4-5/54 10/4-5/18 2/4-25/18 2/20-5/18 2/4-5/90 14/4-5/18 2/4-35/18 2/28-5/18