Subtract 2/20 from 2/12
2/12 - 2/20 is 1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Subtract the two like fractions:
10/60 - 6/60 = 10 - 6/60 = 4/60 - After reducing the fraction, the answer is 1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-2/20 2/12-4/20 2/24-2/20 2/12-2/40 6/12-2/20 2/12-6/20 2/36-2/20 2/12-2/60 10/12-2/20 2/12-10/20 2/60-2/20 14/12-2/20 2/12-14/20 2/84-2/20