Add 90/9 and 15/28
1st number: 10 0/9, 2nd number: 15/28
90/9 + 15/28 is 295/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
90/9 = 90 × 28/9 × 28 = 2520/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Add the two like fractions:
2520/252 + 135/252 = 2520 + 135/252 = 2655/252 - 2655/252 simplified gives 295/28
- So, 90/9 + 15/28 = 295/28
In mixed form: 1015/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+30/28 90/18+15/28 90/9+15/56 90/9+45/28 90/27+15/28 90/9+15/84 90/9+75/28 90/45+15/28 90/63+15/28