Subtract 8/4 from 2/18
1st number: 2/18, 2nd number: 2 0/4
2/18 - 8/4 is -17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
2/18 = 2 × 2/18 × 2 = 4/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
8/4 = 8 × 9/4 × 9 = 72/36 - Subtract the two like fractions:
4/36 - 72/36 = 4 - 72/36 = -68/36 - After reducing the fraction, the answer is -17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-8/4 2/18-16/4 2/36-8/4 6/18-8/4 2/18-24/4 2/54-8/4 2/18-8/12 10/18-8/4 2/18-40/4 2/90-8/4 2/18-8/20 14/18-8/4 2/18-56/4 2/18-8/28