Add 81/24 and 27/12
1st number: 3 9/24, 2nd number: 2 3/12
81/24 + 27/12 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
27/12 = 27 × 2/12 × 2 = 54/24 - Add the two like fractions:
81/24 + 54/24 = 81 + 54/24 = 135/24 - 135/24 simplified gives 45/8
- So, 81/24 + 27/12 = 45/8
In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+54/12 81/48+27/12 81/24+27/24 81/24+81/12 81/72+27/12 81/24+27/36 81/24+27/60 81/24+27/84