Add 18/4 and 20/3
1st number: 4 2/4, 2nd number: 6 2/3
18/4 + 20/3 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
20/3 = 20 × 4/3 × 4 = 80/12 - Add the two like fractions:
54/12 + 80/12 = 54 + 80/12 = 134/12 - 134/12 simplified gives 67/6
- So, 18/4 + 20/3 = 67/6
In mixed form: 111/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+20/3 18/4+40/3 18/8+20/3 18/4+20/6 54/4+20/3 18/4+60/3 18/12+20/3 18/4+20/9 90/4+20/3 18/20+20/3 18/4+20/15 18/28+20/3 18/4+20/21