Add 90/8 and 9/4
1st number: 11 2/8, 2nd number: 2 1/4
90/8 + 9/4 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
90/8 = 90 × 1/8 × 1 = 90/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
9/4 = 9 × 2/4 × 2 = 18/8 - Add the two like fractions:
90/8 + 18/8 = 90 + 18/8 = 108/8 - 108/8 simplified gives 27/2
- So, 90/8 + 9/4 = 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+18/4 90/16+9/4 90/8+9/8 90/8+27/4 90/24+9/4 90/8+9/12 90/8+45/4 90/40+9/4 90/8+9/20 90/8+63/4 90/56+9/4 90/8+9/28