Subtract 35/18 from 10/20
1st number: 10/20, 2nd number: 1 17/18
10/20 - 35/18 is -13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
35/18 = 35 × 10/18 × 10 = 350/180 - Subtract the two like fractions:
90/180 - 350/180 = 90 - 350/180 = -260/180 - After reducing the fraction, the answer is -13/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-70/18 10/40-35/18 10/20-35/36 30/20-35/18 10/60-35/18 10/20-35/54 50/20-35/18 10/20-35/90 70/20-35/18