Add 15/25 and 20/9
1st number: 15/25, 2nd number: 2 2/9
15/25 + 20/9 is 127/45.
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,
15/25 = 15 × 9/25 × 9 = 135/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
20/9 = 20 × 25/9 × 25 = 500/225 - Add the two like fractions:
135/225 + 500/225 = 135 + 500/225 = 635/225 - 635/225 simplified gives 127/45
- So, 15/25 + 20/9 = 127/45
In mixed form: 237/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+20/9 15/25+40/9 15/50+20/9 15/25+20/18 45/25+20/9 15/25+60/9 15/75+20/9 15/25+20/27 75/25+20/9 15/25+20/45 15/25+20/63