Add 25/18 and 18/36
1st number: 1 7/18, 2nd number: 18/36
25/18 + 18/36 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
25/18 = 25 × 2/18 × 2 = 50/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
18/36 = 18 × 1/36 × 1 = 18/36 - Add the two like fractions:
50/36 + 18/36 = 50 + 18/36 = 68/36 - 68/36 simplified gives 17/9
- So, 25/18 + 18/36 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+18/36 25/36+18/36 25/18+18/72 75/18+18/36 25/18+54/36 25/54+18/36 25/18+90/36 25/90+18/36