Subtract 8/4 from 6/20
1st number: 6/20, 2nd number: 2 0/4
6/20 - 8/4 is -17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
6/20 = 6 × 1/20 × 1 = 6/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
8/4 = 8 × 5/4 × 5 = 40/20 - Subtract the two like fractions:
6/20 - 40/20 = 6 - 40/20 = -34/20 - After reducing the fraction, the answer is -17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-8/4 6/20-16/4 6/40-8/4 18/20-8/4 6/20-24/4 6/60-8/4 6/20-8/12 30/20-8/4 6/20-40/4 6/20-8/20 42/20-8/4 6/20-56/4 6/20-8/28