Subtract 35/90 from 2/18
2/18 - 35/90 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 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 90 × 1 = 90,
35/90 = 35 × 1/90 × 1 = 35/90 - Subtract the two like fractions:
10/90 - 35/90 = 10 - 35/90 = -25/90 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-35/90 2/18-70/90 2/36-35/90 6/18-35/90 2/54-35/90 10/18-35/90 2/90-35/90 14/18-35/90