Add 27/28 and 45/56
27/28 + 45/56 is 99/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
27/28 = 27 × 2/28 × 2 = 54/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Add the two like fractions:
54/56 + 45/56 = 54 + 45/56 = 99/56 - So, 27/28 + 45/56 = 99/56
In mixed form: 143/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+45/56 27/28+90/56 27/56+45/56 81/28+45/56 27/84+45/56