Add 12/15 and 15/24
12/15 + 15/24 is 57/40.
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,
12/15 = 12 × 8/15 × 8 = 96/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120 - Add the two like fractions:
96/120 + 75/120 = 96 + 75/120 = 171/120 - 171/120 simplified gives 57/40
- So, 12/15 + 15/24 = 57/40
In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+15/24 12/15+30/24 12/30+15/24 12/15+15/48 36/15+15/24 12/15+45/24 12/45+15/24 12/15+15/72 60/15+15/24 12/15+75/24 12/75+15/24 84/15+15/24