Add 15/12 and 3/28
1st number: 1 3/12, 2nd number: 3/28
15/12 + 3/28 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84 - Add the two like fractions:
105/84 + 9/84 = 105 + 9/84 = 114/84 - 114/84 simplified gives 19/14
- So, 15/12 + 3/28 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+3/28 15/12+6/28 15/24+3/28 15/12+3/56 45/12+3/28 15/12+9/28 15/36+3/28 15/12+3/84 75/12+3/28 15/12+15/28 15/60+3/28 15/12+21/28 15/84+3/28