Add 81/9 and 30/28
1st number: 9 0/9, 2nd number: 1 2/28
81/9 + 30/28 is 141/14.
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,
81/9 = 81 × 28/9 × 28 = 2268/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Add the two like fractions:
2268/252 + 270/252 = 2268 + 270/252 = 2538/252 - 2538/252 simplified gives 141/14
- So, 81/9 + 30/28 = 141/14
In mixed form: 101/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/9+60/28 81/18+30/28 81/9+30/56 81/9+90/28 81/27+30/28 81/9+30/84 81/45+30/28 81/63+30/28