Add 90/8 and 27/12
1st number: 11 2/8, 2nd number: 2 3/12
90/8 + 27/12 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
27/12 = 27 × 2/12 × 2 = 54/24 - Add the two like fractions:
270/24 + 54/24 = 270 + 54/24 = 324/24 - 324/24 simplified gives 27/2
- So, 90/8 + 27/12 = 27/2
In mixed form: 131/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+54/12 90/16+27/12 90/8+27/24 90/8+81/12 90/24+27/12 90/8+27/36 90/40+27/12 90/8+27/60 90/56+27/12 90/8+27/84