Add 28/35 and 9/7
1st number: 28/35, 2nd number: 1 2/7
28/35 + 9/7 is 73/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
28/35 = 28 × 1/35 × 1 = 28/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
9/7 = 9 × 5/7 × 5 = 45/35 - Add the two like fractions:
28/35 + 45/35 = 28 + 45/35 = 73/35 - So, 28/35 + 9/7 = 73/35
In mixed form: 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35+9/7 28/35+18/7 28/70+9/7 28/35+9/14 84/35+9/7 28/35+27/7 28/35+9/21 28/35+45/7 28/35+9/35 28/35+63/7 28/35+9/49