Subtract 80/40 from 40/6
1st number: 6 4/6, 2nd number: 2 0/40
40/6 - 80/40 is 14/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
40/6 = 40 × 20/6 × 20 = 800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
80/40 = 80 × 3/40 × 3 = 240/120 - Subtract the two like fractions:
800/120 - 240/120 = 800 - 240/120 = 560/120 - After reducing the fraction, the answer is 14/3
- In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-80/40 40/12-80/40 40/18-80/40 40/30-80/40 40/42-80/40