Add 30/25 and 80/9
1st number: 1 5/25, 2nd number: 8 8/9
30/25 + 80/9 is 454/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
30/25 = 30 × 9/25 × 9 = 270/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
80/9 = 80 × 25/9 × 25 = 2000/225 - Add the two like fractions:
270/225 + 2000/225 = 270 + 2000/225 = 2270/225 - 2270/225 simplified gives 454/45
- So, 30/25 + 80/9 = 454/45
In mixed form: 104/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+80/9 30/50+80/9 30/25+80/18 90/25+80/9 30/75+80/9 30/25+80/27 30/25+80/45 30/25+80/63