Add 54/3 and 54/12
1st number: 18 0/3, 2nd number: 4 6/12
54/3 + 54/12 is 45/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
54/3 = 54 × 4/3 × 4 = 216/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
54/12 = 54 × 1/12 × 1 = 54/12 - Add the two like fractions:
216/12 + 54/12 = 216 + 54/12 = 270/12 - 270/12 simplified gives 45/2
- So, 54/3 + 54/12 = 45/2
In mixed form: 221/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+54/12 54/3+54/24 54/9+54/12 54/3+54/36 54/15+54/12 54/3+54/60 54/21+54/12 54/3+54/84