Add 12/18 and 40/24
1st number: 12/18, 2nd number: 1 16/24
12/18 + 40/24 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
12/18 = 12 × 4/18 × 4 = 48/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
40/24 = 40 × 3/24 × 3 = 120/72 - Add the two like fractions:
48/72 + 120/72 = 48 + 120/72 = 168/72 - 168/72 simplified gives 7/3
- So, 12/18 + 40/24 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+40/24 12/18+80/24 12/36+40/24 12/18+40/48 36/18+40/24 12/54+40/24 12/18+40/72 60/18+40/24 12/90+40/24 84/18+40/24