Add 30/2 and 54/12
1st number: 15 0/2, 2nd number: 4 6/12
30/2 + 54/12 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
30/2 = 30 × 6/2 × 6 = 180/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
54/12 = 54 × 1/12 × 1 = 54/12 - Add the two like fractions:
180/12 + 54/12 = 180 + 54/12 = 234/12 - 234/12 simplified gives 39/2
- So, 30/2 + 54/12 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+54/12 30/4+54/12 30/2+54/24 90/2+54/12 30/6+54/12 30/2+54/36 30/10+54/12 30/2+54/60 30/14+54/12 30/2+54/84