Add 25/15 and 75/9
1st number: 1 10/15, 2nd number: 8 3/9
25/15 + 75/9 is 10/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
25/15 = 25 × 3/15 × 3 = 75/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
75/9 = 75 × 5/9 × 5 = 375/45 - Add the two like fractions:
75/45 + 375/45 = 75 + 375/45 = 450/45 - 450/45 simplified gives 10/1
- So, 25/15 + 75/9 = 10/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+75/9 25/30+75/9 25/15+75/18 75/15+75/9 25/45+75/9 25/15+75/27 25/75+75/9 25/15+75/45 25/15+75/63