Add 1/3 and 28/7
1st number: 1/3, 2nd number: 4 0/7
1/3 + 28/7 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
1/3 = 1 × 7/3 × 7 = 7/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
28/7 = 28 × 3/7 × 3 = 84/21 - Add the two like fractions:
7/21 + 84/21 = 7 + 84/21 = 91/21 - 91/21 simplified gives 13/3
- So, 1/3 + 28/7 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+28/7 1/3+56/7 1/6+28/7 1/3+28/14 1/3+84/7 1/9+28/7 1/3+28/21 5/3+28/7 1/15+28/7 1/3+28/35 7/3+28/7 1/21+28/7 1/3+28/49