Add 28/7 and 15/56
1st number: 4 0/7, 2nd number: 15/56
28/7 + 15/56 is 239/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
28/7 = 28 × 8/7 × 8 = 224/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
15/56 = 15 × 1/56 × 1 = 15/56 - Add the two like fractions:
224/56 + 15/56 = 224 + 15/56 = 239/56 - So, 28/7 + 15/56 = 239/56
In mixed form: 415/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+15/56 28/7+30/56 28/14+15/56 84/7+15/56 28/7+45/56 28/21+15/56 28/7+75/56 28/35+15/56 28/49+15/56