Add 27/6 and 54/18
1st number: 4 3/6, 2nd number: 3 0/18
27/6 + 54/18 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
27/6 = 27 × 3/6 × 3 = 81/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
54/18 = 54 × 1/18 × 1 = 54/18 - Add the two like fractions:
81/18 + 54/18 = 81 + 54/18 = 135/18 - 135/18 simplified gives 15/2
- So, 27/6 + 54/18 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+54/18 27/12+54/18 27/6+54/36 81/6+54/18 27/18+54/18 27/30+54/18 27/6+54/90 27/42+54/18