Add 28/56 and 9/7
1st number: 28/56, 2nd number: 1 2/7
28/56 + 9/7 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
28/56 = 28 × 1/56 × 1 = 28/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
9/7 = 9 × 8/7 × 8 = 72/56 - Add the two like fractions:
28/56 + 72/56 = 28 + 72/56 = 100/56 - 100/56 simplified gives 25/14
- So, 28/56 + 9/7 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+18/7 28/56+9/14 84/56+9/7 28/56+27/7 28/56+9/21 28/56+45/7 28/56+9/35 28/56+63/7 28/56+9/49