Add 18/8 and 5/3
1st number: 2 2/8, 2nd number: 1 2/3
18/8 + 5/3 is 47/12.
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,
5/3 = 5 × 8/3 × 8 = 40/24 - Add the two like fractions:
54/24 + 40/24 = 54 + 40/24 = 94/24 - 94/24 simplified gives 47/12
- So, 18/8 + 5/3 = 47/12
In mixed form: 311/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+5/3 18/8+10/3 18/16+5/3 18/8+5/6 54/8+5/3 18/8+15/3 18/24+5/3 18/8+5/9 90/8+5/3 18/8+25/3 18/40+5/3 18/8+5/15 18/8+35/3 18/56+5/3 18/8+5/21