Add 25/28 and 28/5
1st number: 25/28, 2nd number: 5 3/5
25/28 + 28/5 is 909/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
28/5 = 28 × 28/5 × 28 = 784/140 - Add the two like fractions:
125/140 + 784/140 = 125 + 784/140 = 909/140 - So, 25/28 + 28/5 = 909/140
In mixed form: 669/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+28/5 25/28+56/5 25/56+28/5 25/28+28/10 75/28+28/5 25/28+84/5 25/84+28/5 25/28+28/15 25/28+28/25 25/28+28/35