Add 12/3 and 40/12
1st number: 4 0/3, 2nd number: 3 4/12
12/3 + 40/12 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
12/3 = 12 × 4/3 × 4 = 48/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12 - Add the two like fractions:
48/12 + 40/12 = 48 + 40/12 = 88/12 - 88/12 simplified gives 22/3
- So, 12/3 + 40/12 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+40/12 12/3+80/12 12/6+40/12 12/3+40/24 36/3+40/12 12/9+40/12 12/3+40/36 60/3+40/12 12/15+40/12 12/3+40/60 84/3+40/12 12/21+40/12 12/3+40/84