Add 28/12 and 24/15
1st number: 2 4/12, 2nd number: 1 9/15
28/12 + 24/15 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
24/15 = 24 × 4/15 × 4 = 96/60 - Add the two like fractions:
140/60 + 96/60 = 140 + 96/60 = 236/60 - 236/60 simplified gives 59/15
- So, 28/12 + 24/15 = 59/15
In mixed form: 314/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+24/15 28/12+48/15 28/24+24/15 28/12+24/30 84/12+24/15 28/12+72/15 28/36+24/15 28/12+24/45 28/60+24/15 28/12+24/75 28/84+24/15