Add 24/9 and 81/40
1st number: 2 6/9, 2nd number: 2 1/40
24/9 + 81/40 is 563/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
24/9 = 24 × 40/9 × 40 = 960/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
81/40 = 81 × 9/40 × 9 = 729/360 - Add the two like fractions:
960/360 + 729/360 = 960 + 729/360 = 1689/360 - 1689/360 simplified gives 563/120
- So, 24/9 + 81/40 = 563/120
In mixed form: 483/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/9+81/40 24/18+81/40 24/9+81/80 72/9+81/40 24/27+81/40 24/45+81/40 24/63+81/40