Add 27/56 and 18/28
27/56 + 18/28 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
27/56 = 27 × 1/56 × 1 = 27/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Add the two like fractions:
27/56 + 36/56 = 27 + 36/56 = 63/56 - 63/56 simplified gives 9/8
- So, 27/56 + 18/28 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+18/28 27/56+36/28 27/56+18/56 81/56+18/28 27/56+54/28 27/56+18/84 27/56+90/28