Add 9/30 and 28/18
1st number: 9/30, 2nd number: 1 10/18
9/30 + 28/18 is 167/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
9/30 = 9 × 3/30 × 3 = 27/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Add the two like fractions:
27/90 + 140/90 = 27 + 140/90 = 167/90 - So, 9/30 + 28/18 = 167/90
In mixed form: 177/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+28/18 9/30+56/18 9/60+28/18 9/30+28/36 27/30+28/18 9/30+84/18 9/90+28/18 9/30+28/54 45/30+28/18 9/30+28/90 63/30+28/18