Add 25/18 and 18/9
1st number: 1 7/18, 2nd number: 2 0/9
25/18 + 18/9 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
25/18 = 25 × 1/18 × 1 = 25/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
18/9 = 18 × 2/9 × 2 = 36/18 - Add the two like fractions:
25/18 + 36/18 = 25 + 36/18 = 61/18 - So, 25/18 + 18/9 = 61/18
In mixed form: 37/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+18/9 25/18+36/9 25/36+18/9 75/18+18/9 25/18+54/9 25/54+18/9 25/18+18/27 25/18+90/9 25/90+18/9 25/18+18/45 25/18+18/63