Add 25/63 and 28/15
1st number: 25/63, 2nd number: 1 13/15
25/63 + 28/15 is 713/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
25/63 = 25 × 5/63 × 5 = 125/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
28/15 = 28 × 21/15 × 21 = 588/315 - Add the two like fractions:
125/315 + 588/315 = 125 + 588/315 = 713/315 - So, 25/63 + 28/15 = 713/315
In mixed form: 283/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63+28/15 25/63+56/15 25/63+28/30 75/63+28/15 25/63+84/15 25/63+28/45 25/63+28/75