Subtract 10/6 from 20/18
1st number: 1 2/18, 2nd number: 1 4/6
20/18 - 10/6 is -5/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
10/6 = 10 × 3/6 × 3 = 30/18 - Subtract the two like fractions:
20/18 - 30/18 = 20 - 30/18 = -10/18 - After reducing the fraction, the answer is -5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-10/6 20/18-20/6 20/36-10/6 20/18-10/12 60/18-10/6 20/18-30/6 20/54-10/6 20/18-10/18 20/18-50/6 20/90-10/6 20/18-10/30 20/18-70/6 20/18-10/42