Add 25/75 and 15/9
1st number: 25/75, 2nd number: 1 6/9
25/75 + 15/9 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
25/75 = 25 × 3/75 × 3 = 75/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
15/9 = 15 × 25/9 × 25 = 375/225 - Add the two like fractions:
75/225 + 375/225 = 75 + 375/225 = 450/225 - 450/225 simplified gives 2/1
- So, 25/75 + 15/9 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75+15/9 25/75+30/9 25/75+15/18 25/75+45/9 25/75+15/27 25/75+75/9 25/75+15/45 25/75+15/63