Add 35/18 and 28/30
1st number: 1 17/18, 2nd number: 28/30
35/18 + 28/30 is 259/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
35/18 = 35 × 5/18 × 5 = 175/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
28/30 = 28 × 3/30 × 3 = 84/90 - Add the two like fractions:
175/90 + 84/90 = 175 + 84/90 = 259/90 - So, 35/18 + 28/30 = 259/90
In mixed form: 279/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+28/30 35/18+56/30 35/36+28/30 35/18+28/60 35/18+84/30 35/54+28/30 35/18+28/90 35/90+28/30