Add 18/3 and 20/28
1st number: 6 0/3, 2nd number: 20/28
18/3 + 20/28 is 47/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
18/3 = 18 × 28/3 × 28 = 504/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84 - Add the two like fractions:
504/84 + 60/84 = 504 + 60/84 = 564/84 - 564/84 simplified gives 47/7
- So, 18/3 + 20/28 = 47/7
In mixed form: 65/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+20/28 18/3+40/28 18/6+20/28 18/3+20/56 54/3+20/28 18/3+60/28 18/9+20/28 18/3+20/84 90/3+20/28 18/15+20/28 18/21+20/28