Add 12/40 and 7/3
1st number: 12/40, 2nd number: 2 1/3
12/40 + 7/3 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
7/3 = 7 × 40/3 × 40 = 280/120 - Add the two like fractions:
36/120 + 280/120 = 36 + 280/120 = 316/120 - 316/120 simplified gives 79/30
- So, 12/40 + 7/3 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+7/3 12/40+14/3 12/80+7/3 12/40+7/6 36/40+7/3 12/40+21/3 12/40+7/9 60/40+7/3 12/40+35/3 12/40+7/15 84/40+7/3 12/40+49/3 12/40+7/21