Add 81/24 and 40/9
1st number: 3 9/24, 2nd number: 4 4/9
81/24 + 40/9 is 563/72.
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,
40/9 = 40 × 8/9 × 8 = 320/72 - Add the two like fractions:
243/72 + 320/72 = 243 + 320/72 = 563/72 - So, 81/24 + 40/9 = 563/72
In mixed form: 759/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+80/9 81/48+40/9 81/24+40/18 81/72+40/9 81/24+40/27 81/24+40/45 81/24+40/63