Add 15/28 and 25/7
1st number: 15/28, 2nd number: 3 4/7
15/28 + 25/7 is 115/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
25/7 = 25 × 4/7 × 4 = 100/28 - Add the two like fractions:
15/28 + 100/28 = 15 + 100/28 = 115/28 - So, 15/28 + 25/7 = 115/28
In mixed form: 43/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+25/7 15/28+50/7 15/56+25/7 15/28+25/14 45/28+25/7 15/28+75/7 15/84+25/7 15/28+25/21 75/28+25/7 15/28+25/35 15/28+25/49