Subtract 40/12 from 20/2
1st number: 10 0/2, 2nd number: 3 4/12
20/2 - 40/12 is 20/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
20/2 = 20 × 6/2 × 6 = 120/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12 - Subtract the two like fractions:
120/12 - 40/12 = 120 - 40/12 = 80/12 - After reducing the fraction, the answer is 20/3
- In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-40/12 20/2-80/12 20/4-40/12 20/2-40/24 60/2-40/12 20/6-40/12 20/2-40/36 20/10-40/12 20/2-40/60 20/14-40/12 20/2-40/84