Add 15/28 and 15/9
1st number: 15/28, 2nd number: 1 6/9
15/28 + 15/9 is 185/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252 - Add the two like fractions:
135/252 + 420/252 = 135 + 420/252 = 555/252 - 555/252 simplified gives 185/84
- So, 15/28 + 15/9 = 185/84
In mixed form: 217/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+15/9 15/28+30/9 15/56+15/9 15/28+15/18 45/28+15/9 15/28+45/9 15/84+15/9 15/28+15/27 75/28+15/9 15/28+75/9 15/28+15/45 15/28+15/63