Add 28/15 and 12/25
1st number: 1 13/15, 2nd number: 12/25
28/15 + 12/25 is 176/75.
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,
28/15 = 28 × 5/15 × 5 = 140/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
12/25 = 12 × 3/25 × 3 = 36/75 - Add the two like fractions:
140/75 + 36/75 = 140 + 36/75 = 176/75 - So, 28/15 + 12/25 = 176/75
In mixed form: 226/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+12/25 28/15+24/25 28/30+12/25 28/15+12/50 84/15+12/25 28/15+36/25 28/45+12/25 28/15+12/75 28/15+60/25 28/75+12/25 28/15+84/25