Add 90/36 and 80/9
1st number: 2 18/36, 2nd number: 8 8/9
90/36 + 80/9 is 205/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
80/9 = 80 × 4/9 × 4 = 320/36 - Add the two like fractions:
90/36 + 320/36 = 90 + 320/36 = 410/36 - 410/36 simplified gives 205/18
- So, 90/36 + 80/9 = 205/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+80/9 90/36+80/18 90/36+80/27 90/36+80/45 90/36+80/63