Add 20/28 and 54/56
20/28 + 54/56 is 47/28.
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,
20/28 = 20 × 2/28 × 2 = 40/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Add the two like fractions:
40/56 + 54/56 = 40 + 54/56 = 94/56 - 94/56 simplified gives 47/28
- So, 20/28 + 54/56 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+54/56 20/56+54/56 60/28+54/56 20/84+54/56