Add 90/4 and 3/9
1st number: 22 2/4, 2nd number: 3/9
90/4 + 3/9 is 137/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
90/4 = 90 × 9/4 × 9 = 810/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Add the two like fractions:
810/36 + 12/36 = 810 + 12/36 = 822/36 - 822/36 simplified gives 137/6
- So, 90/4 + 3/9 = 137/6
In mixed form: 225/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+6/9 90/8+3/9 90/4+3/18 90/12+3/9 90/4+3/27 90/4+15/9 90/20+3/9 90/4+3/45 90/4+21/9 90/28+3/9 90/4+3/63