Add 81/24 and 9/5
1st number: 3 9/24, 2nd number: 1 4/5
81/24 + 9/5 is 207/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
9/5 = 9 × 24/5 × 24 = 216/120 - Add the two like fractions:
405/120 + 216/120 = 405 + 216/120 = 621/120 - 621/120 simplified gives 207/40
- So, 81/24 + 9/5 = 207/40
In mixed form: 57/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+18/5 81/48+9/5 81/24+9/10 81/24+27/5 81/72+9/5 81/24+9/15 81/24+45/5 81/24+9/25 81/24+63/5 81/24+9/35