Add 25/15 and 3/40
1st number: 1 10/15, 2nd number: 3/40
25/15 + 3/40 is 209/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
25/15 = 25 × 8/15 × 8 = 200/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Add the two like fractions:
200/120 + 9/120 = 200 + 9/120 = 209/120 - So, 25/15 + 3/40 = 209/120
In mixed form: 189/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+3/40 25/15+6/40 25/30+3/40 25/15+3/80 75/15+3/40 25/15+9/40 25/45+3/40 25/15+15/40 25/75+3/40 25/15+21/40