Add 40/15 and 28/25
1st number: 2 10/15, 2nd number: 1 3/25
40/15 + 28/25 is 284/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
40/15 = 40 × 5/15 × 5 = 200/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
28/25 = 28 × 3/25 × 3 = 84/75 - Add the two like fractions:
200/75 + 84/75 = 200 + 84/75 = 284/75 - So, 40/15 + 28/25 = 284/75
In mixed form: 359/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+28/25 40/15+56/25 40/30+28/25 40/15+28/50 40/15+84/25 40/45+28/25 40/15+28/75 40/75+28/25