Add 45/9 and 27/18
1st number: 5 0/9, 2nd number: 1 9/18
45/9 + 27/18 is 13/2.
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,
27/18 = 27 × 1/18 × 1 = 27/18 - Add the two like fractions:
90/18 + 27/18 = 90 + 27/18 = 117/18 - 117/18 simplified gives 13/2
- So, 45/9 + 27/18 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+27/18 45/9+54/18 45/18+27/18 45/9+27/36 45/9+81/18 45/27+27/18 45/9+27/54 45/9+27/90 45/63+27/18