Add 7/18 and 40/12
1st number: 7/18, 2nd number: 3 4/12
7/18 + 40/12 is 67/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
7/18 = 7 × 2/18 × 2 = 14/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Add the two like fractions:
14/36 + 120/36 = 14 + 120/36 = 134/36 - 134/36 simplified gives 67/18
- So, 7/18 + 40/12 = 67/18
In mixed form: 313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+40/12 7/18+80/12 7/36+40/12 7/18+40/24 21/18+40/12 7/54+40/12 7/18+40/36 35/18+40/12 7/90+40/12 7/18+40/60 49/18+40/12 7/18+40/84