Add 28/18 and 2/7
1st number: 1 10/18, 2nd number: 2/7
28/18 + 2/7 is 116/63.
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,
2/7 = 2 × 18/7 × 18 = 36/126 - Add the two like fractions:
196/126 + 36/126 = 196 + 36/126 = 232/126 - 232/126 simplified gives 116/63
- So, 28/18 + 2/7 = 116/63
In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+2/7 28/18+4/7 28/36+2/7 28/18+2/14 84/18+2/7 28/18+6/7 28/54+2/7 28/18+2/21 28/18+10/7 28/90+2/7 28/18+2/35 28/18+14/7 28/18+2/49