Add 18/3 and 27/5
1st number: 6 0/3, 2nd number: 5 2/5
18/3 + 27/5 is 57/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
18/3 = 18 × 5/3 × 5 = 90/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
27/5 = 27 × 3/5 × 3 = 81/15 - Add the two like fractions:
90/15 + 81/15 = 90 + 81/15 = 171/15 - 171/15 simplified gives 57/5
- So, 18/3 + 27/5 = 57/5
In mixed form: 112/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+27/5 18/3+54/5 18/6+27/5 18/3+27/10 54/3+27/5 18/3+81/5 18/9+27/5 18/3+27/15 90/3+27/5 18/15+27/5 18/3+27/25 18/21+27/5 18/3+27/35