Add 28/2 and 12/15
1st number: 14 0/2, 2nd number: 12/15
28/2 + 12/15 is 74/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
28/2 = 28 × 15/2 × 15 = 420/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Add the two like fractions:
420/30 + 24/30 = 420 + 24/30 = 444/30 - 444/30 simplified gives 74/5
- So, 28/2 + 12/15 = 74/5
In mixed form: 144/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+12/15 28/2+24/15 28/4+12/15 28/2+12/30 84/2+12/15 28/2+36/15 28/6+12/15 28/2+12/45 28/2+60/15 28/10+12/15 28/2+12/75 28/2+84/15 28/14+12/15