Subtract 4/20 from 4/6
4/6 - 4/20 is 7/15.
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,
4/6 = 4 × 10/6 × 10 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Subtract the two like fractions:
40/60 - 12/60 = 40 - 12/60 = 28/60 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-4/20 4/6-8/20 4/12-4/20 4/6-4/40 12/6-4/20 4/6-12/20 4/18-4/20 4/6-4/60 20/6-4/20 4/30-4/20 28/6-4/20 4/6-28/20 4/42-4/20