Subtract 6/80 from 80/20
1st number: 4 0/20, 2nd number: 6/80
80/20 - 6/80 is 157/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
80/20 = 80 × 4/20 × 4 = 320/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80 - Subtract the two like fractions:
320/80 - 6/80 = 320 - 6/80 = 314/80 - After reducing the fraction, the answer is 157/40
- In mixed form: 337/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-12/80 80/40-6/80 80/20-18/80 80/60-6/80 80/20-30/80 80/20-42/80