Add 27/28 and 20/54
27/28 + 20/54 is 1009/756.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
27/28 = 27 × 27/28 × 27 = 729/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
20/54 = 20 × 14/54 × 14 = 280/756 - Add the two like fractions:
729/756 + 280/756 = 729 + 280/756 = 1009/756 - So, 27/28 + 20/54 = 1009/756
In mixed form: 1253/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+20/54 27/28+40/54 27/56+20/54 81/28+20/54 27/28+60/54 27/84+20/54