Add 18/8 and 40/3
1st number: 2 2/8, 2nd number: 13 1/3
18/8 + 40/3 is 187/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
18/8 = 18 × 3/8 × 3 = 54/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
40/3 = 40 × 8/3 × 8 = 320/24 - Add the two like fractions:
54/24 + 320/24 = 54 + 320/24 = 374/24 - 374/24 simplified gives 187/12
- So, 18/8 + 40/3 = 187/12
In mixed form: 157/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+40/3 18/8+80/3 18/16+40/3 18/8+40/6 54/8+40/3 18/24+40/3 18/8+40/9 90/8+40/3 18/40+40/3 18/8+40/15 18/56+40/3 18/8+40/21