Add 3/12 and 27/30
3/12 + 27/30 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60 - Add the two like fractions:
15/60 + 54/60 = 15 + 54/60 = 69/60 - 69/60 simplified gives 23/20
- So, 3/12 + 27/30 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+27/30 3/12+54/30 3/24+27/30 3/12+27/60 9/12+27/30 3/12+81/30 3/36+27/30 3/12+27/90 15/12+27/30 3/60+27/30 21/12+27/30 3/84+27/30