Add 3/15 and 24/12
1st number: 3/15, 2nd number: 2 0/12
3/15 + 24/12 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
3/15 = 3 × 4/15 × 4 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
24/12 = 24 × 5/12 × 5 = 120/60 - Add the two like fractions:
12/60 + 120/60 = 12 + 120/60 = 132/60 - 132/60 simplified gives 11/5
- So, 3/15 + 24/12 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+24/12 3/15+48/12 3/30+24/12 9/15+24/12 3/15+72/12 3/45+24/12 3/15+24/36 3/75+24/12 3/15+24/60 21/15+24/12 3/15+24/84