Subtract 3/5 from 2/18
2/18 - 3/5 is -22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Subtract the two like fractions:
10/90 - 54/90 = 10 - 54/90 = -44/90 - After reducing the fraction, the answer is -22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-3/5 2/18-6/5 2/36-3/5 2/18-3/10 6/18-3/5 2/18-9/5 2/54-3/5 2/18-3/15 10/18-3/5 2/18-15/5 2/90-3/5 2/18-3/25 14/18-3/5 2/18-21/5 2/18-3/35