Add 30/28 and 80/9
1st number: 1 2/28, 2nd number: 8 8/9
30/28 + 80/9 is 1255/126.
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,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
80/9 = 80 × 28/9 × 28 = 2240/252 - Add the two like fractions:
270/252 + 2240/252 = 270 + 2240/252 = 2510/252 - 2510/252 simplified gives 1255/126
- So, 30/28 + 80/9 = 1255/126
In mixed form: 9121/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+80/9 30/56+80/9 30/28+80/18 90/28+80/9 30/84+80/9 30/28+80/27 30/28+80/45 30/28+80/63