Add 9/18 and 28/7
1st number: 9/18, 2nd number: 4 0/7
9/18 + 28/7 is 9/2.
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,
9/18 = 9 × 7/18 × 7 = 63/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
28/7 = 28 × 18/7 × 18 = 504/126 - Add the two like fractions:
63/126 + 504/126 = 63 + 504/126 = 567/126 - 567/126 simplified gives 9/2
- So, 9/18 + 28/7 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+56/7 9/36+28/7 9/18+28/14 27/18+28/7 9/18+84/7 9/54+28/7 9/18+28/21 45/18+28/7 9/90+28/7 9/18+28/35 63/18+28/7 9/18+28/49