Add 45/9 and 1/18
1st number: 5 0/9, 2nd number: 1/18
45/9 + 1/18 is 91/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
45/9 = 45 × 2/9 × 2 = 90/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
1/18 = 1 × 1/18 × 1 = 1/18 - Add the two like fractions:
90/18 + 1/18 = 90 + 1/18 = 91/18 - So, 45/9 + 1/18 = 91/18
In mixed form: 51/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+1/18 45/9+2/18 45/18+1/18 45/9+1/36 45/9+3/18 45/27+1/18 45/9+1/54 45/9+5/18 45/9+1/90 45/9+7/18 45/63+1/18