Add 18/45 and 25/9
1st number: 18/45, 2nd number: 2 7/9
18/45 + 25/9 is 143/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
25/9 = 25 × 5/9 × 5 = 125/45 - Add the two like fractions:
18/45 + 125/45 = 18 + 125/45 = 143/45 - So, 18/45 + 25/9 = 143/45
In mixed form: 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+25/9 18/45+50/9 18/90+25/9 18/45+25/18 54/45+25/9 18/45+75/9 18/45+25/27 90/45+25/9 18/45+25/45 18/45+25/63