Subtract 3/6 from 8/20
8/20 - 3/6 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
8/20 = 8 × 3/20 × 3 = 24/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
3/6 = 3 × 10/6 × 10 = 30/60 - Subtract the two like fractions:
24/60 - 30/60 = 24 - 30/60 = -6/60 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-3/6 8/40-3/6 8/20-3/12 24/20-3/6 8/20-9/6 8/60-3/6 8/20-3/18 40/20-3/6 8/20-15/6 8/20-3/30 56/20-3/6 8/20-21/6 8/20-3/42