Add 15/25 and 25/45
15/25 + 25/45 is 52/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 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 45 × 5 = 225,
25/45 = 25 × 5/45 × 5 = 125/225 - Add the two like fractions:
135/225 + 125/225 = 135 + 125/225 = 260/225 - 260/225 simplified gives 52/45
- So, 15/25 + 25/45 = 52/45
In mixed form: 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+25/45 15/25+50/45 15/50+25/45 15/25+25/90 45/25+25/45 15/25+75/45 15/75+25/45 75/25+25/45