Subtract 8/4 from 40/12
1st number: 3 4/12, 2nd number: 2 0/4
40/12 - 8/4 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
8/4 = 8 × 3/4 × 3 = 24/12 - Subtract the two like fractions:
40/12 - 24/12 = 40 - 24/12 = 16/12 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-8/4 40/12-16/4 40/24-8/4 40/12-24/4 40/36-8/4 40/12-8/12 40/12-40/4 40/60-8/4 40/12-8/20 40/12-56/4 40/84-8/4 40/12-8/28