Subtract 5/12 from 1/20
1/20 - 5/12 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
5/12 = 5 × 5/12 × 5 = 25/60 - Subtract the two like fractions:
3/60 - 25/60 = 3 - 25/60 = -22/60 - After reducing the fraction, the answer is -11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20-5/12 1/20-10/12 1/40-5/12 1/20-5/24 3/20-5/12 1/20-15/12 1/60-5/12 1/20-5/36 5/20-5/12 1/20-25/12 1/20-5/60 7/20-5/12 1/20-35/12 1/20-5/84