Subtract 1/20 from 3/6
3/6 - 1/20 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
3/6 = 3 × 10/6 × 10 = 30/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Subtract the two like fractions:
30/60 - 3/60 = 30 - 3/60 = 27/60 - After reducing the fraction, the answer is 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6-2/20 3/12-1/20 3/6-1/40 9/6-1/20 3/6-3/20 3/18-1/20 3/6-1/60 15/6-1/20 3/6-5/20 3/30-1/20 21/6-1/20 3/6-7/20 3/42-1/20