Add 10/28 and 15/12
1st number: 10/28, 2nd number: 1 3/12
10/28 + 15/12 is 45/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
10/28 = 10 × 3/28 × 3 = 30/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Add the two like fractions:
30/84 + 105/84 = 30 + 105/84 = 135/84 - 135/84 simplified gives 45/28
- So, 10/28 + 15/12 = 45/28
In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+15/12 10/28+30/12 10/56+15/12 10/28+15/24 30/28+15/12 10/28+45/12 10/84+15/12 10/28+15/36 50/28+15/12 10/28+75/12 10/28+15/60 70/28+15/12 10/28+15/84