Add 81/24 and 10/9
1st number: 3 9/24, 2nd number: 1 1/9
81/24 + 10/9 is 323/72.
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,
81/24 = 81 × 3/24 × 3 = 243/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72 - Add the two like fractions:
243/72 + 80/72 = 243 + 80/72 = 323/72 - So, 81/24 + 10/9 = 323/72
In mixed form: 435/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+20/9 81/48+10/9 81/24+10/18 81/24+30/9 81/72+10/9 81/24+10/27 81/24+50/9 81/24+10/45 81/24+70/9 81/24+10/63