Add 90/8 and 3/12
1st number: 11 2/8, 2nd number: 3/12
90/8 + 3/12 is 23/2.
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,
3/12 = 3 × 2/12 × 2 = 6/24 - Add the two like fractions:
270/24 + 6/24 = 270 + 6/24 = 276/24 - 276/24 simplified gives 23/2
- So, 90/8 + 3/12 = 23/2
In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+6/12 90/16+3/12 90/8+3/24 90/8+9/12 90/24+3/12 90/8+3/36 90/8+15/12 90/40+3/12 90/8+3/60 90/8+21/12 90/56+3/12 90/8+3/84