Add 28/18 and 3/7
1st number: 1 10/18, 2nd number: 3/7
28/18 + 3/7 is 125/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
3/7 = 3 × 18/7 × 18 = 54/126 - Add the two like fractions:
196/126 + 54/126 = 196 + 54/126 = 250/126 - 250/126 simplified gives 125/63
- So, 28/18 + 3/7 = 125/63
In mixed form: 162/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+3/7 28/18+6/7 28/36+3/7 28/18+3/14 84/18+3/7 28/18+9/7 28/54+3/7 28/18+3/21 28/18+15/7 28/90+3/7 28/18+3/35 28/18+21/7 28/18+3/49