Add 25/75 and 18/9
1st number: 25/75, 2nd number: 2 0/9
25/75 + 18/9 is 7/3.
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,
18/9 = 18 × 25/9 × 25 = 450/225 - Add the two like fractions:
75/225 + 450/225 = 75 + 450/225 = 525/225 - 525/225 simplified gives 7/3
- So, 25/75 + 18/9 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75+18/9 25/75+36/9 25/75+54/9 25/75+18/27 25/75+90/9 25/75+18/45 25/75+18/63