Subtract 40/80 from 20/6
1st number: 3 2/6, 2nd number: 40/80
20/6 - 40/80 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
20/6 = 20 × 40/6 × 40 = 800/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
40/80 = 40 × 3/80 × 3 = 120/240 - Subtract the two like fractions:
800/240 - 120/240 = 800 - 120/240 = 680/240 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-40/80 20/12-40/80 60/6-40/80 20/18-40/80 20/30-40/80 20/42-40/80