Add 12/3 and 40/8
1st number: 4 0/3, 2nd number: 5 0/8
12/3 + 40/8 is 9/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
12/3 = 12 × 8/3 × 8 = 96/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
40/8 = 40 × 3/8 × 3 = 120/24 - Add the two like fractions:
96/24 + 120/24 = 96 + 120/24 = 216/24 - 216/24 simplified gives 9/1
- So, 12/3 + 40/8 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+40/8 12/3+80/8 12/6+40/8 12/3+40/16 36/3+40/8 12/9+40/8 12/3+40/24 60/3+40/8 12/15+40/8 84/3+40/8 12/21+40/8 12/3+40/56