Add 90/24 and 20/9
1st number: 3 18/24, 2nd number: 2 2/9
90/24 + 20/9 is 215/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Add the two like fractions:
270/72 + 160/72 = 270 + 160/72 = 430/72 - 430/72 simplified gives 215/36
- So, 90/24 + 20/9 = 215/36
In mixed form: 535/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+40/9 90/48+20/9 90/24+20/18 90/24+60/9 90/72+20/9 90/24+20/27 90/24+20/45 90/24+20/63