Add 1/15 and 81/24
1st number: 1/15, 2nd number: 3 9/24
1/15 + 81/24 is 413/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
1/15 = 1 × 8/15 × 8 = 8/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Add the two like fractions:
8/120 + 405/120 = 8 + 405/120 = 413/120 - So, 1/15 + 81/24 = 413/120
In mixed form: 353/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+81/24 1/30+81/24 1/15+81/48 3/15+81/24 1/45+81/24 1/15+81/72 5/15+81/24 1/75+81/24 7/15+81/24