Add 45/25 and 30/45
1st number: 1 20/25, 2nd number: 30/45
45/25 + 30/45 is 37/15.
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,
45/25 = 45 × 9/25 × 9 = 405/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
30/45 = 30 × 5/45 × 5 = 150/225 - Add the two like fractions:
405/225 + 150/225 = 405 + 150/225 = 555/225 - 555/225 simplified gives 37/15
- So, 45/25 + 30/45 = 37/15
In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+30/45 45/25+60/45 45/50+30/45 45/25+30/90 45/25+90/45 45/75+30/45