Add 90/9 and 10/28
1st number: 10 0/9, 2nd number: 10/28
90/9 + 10/28 is 145/14.
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,
10/28 = 10 × 9/28 × 9 = 90/252 - Add the two like fractions:
2520/252 + 90/252 = 2520 + 90/252 = 2610/252 - 2610/252 simplified gives 145/14
- So, 90/9 + 10/28 = 145/14
In mixed form: 105/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+20/28 90/18+10/28 90/9+10/56 90/9+30/28 90/27+10/28 90/9+10/84 90/9+50/28 90/45+10/28 90/9+70/28 90/63+10/28