Subtract 2/3 from 20/12
1st number: 1 8/12, 2nd number: 2/3
20/12 - 2/3 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
20/12 = 20 × 1/12 × 1 = 20/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
2/3 = 2 × 4/3 × 4 = 8/12 - Subtract the two like fractions:
20/12 - 8/12 = 20 - 8/12 = 12/12 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-2/3 20/12-4/3 20/24-2/3 20/12-2/6 60/12-2/3 20/12-6/3 20/36-2/3 20/12-2/9 20/12-10/3 20/60-2/3 20/12-2/15 20/12-14/3 20/84-2/3 20/12-2/21