Add 27/54 and 30/56
27/54 + 30/56 is 29/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
27/54 = 27 × 28/54 × 28 = 756/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
30/56 = 30 × 27/56 × 27 = 810/1512 - Add the two like fractions:
756/1512 + 810/1512 = 756 + 810/1512 = 1566/1512 - 1566/1512 simplified gives 29/28
- So, 27/54 + 30/56 = 29/28
In mixed form: 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 27/54+60/56 81/54+30/56 27/54+90/56