Add 25/18 and 6/15
1st number: 1 7/18, 2nd number: 6/15
25/18 + 6/15 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
6/15 = 6 × 6/15 × 6 = 36/90 - Add the two like fractions:
125/90 + 36/90 = 125 + 36/90 = 161/90 - So, 25/18 + 6/15 = 161/90
In mixed form: 171/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+6/15 25/18+12/15 25/36+6/15 25/18+6/30 75/18+6/15 25/18+18/15 25/54+6/15 25/18+6/45 25/18+30/15 25/90+6/15 25/18+6/75 25/18+42/15