Add 28/3 and 1/7
1st number: 9 1/3, 2nd number: 1/7
28/3 + 1/7 is 199/21.
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,
28/3 = 28 × 7/3 × 7 = 196/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
1/7 = 1 × 3/7 × 3 = 3/21 - Add the two like fractions:
196/21 + 3/21 = 196 + 3/21 = 199/21 - So, 28/3 + 1/7 = 199/21
In mixed form: 910/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+1/7 28/3+2/7 28/6+1/7 28/3+1/14 84/3+1/7 28/3+3/7 28/9+1/7 28/3+1/21 28/3+5/7 28/15+1/7 28/3+1/35 28/21+1/7 28/3+1/49