Add 20/56 and 1/54
20/56 + 1/54 is 71/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
20/56 = 20 × 27/56 × 27 = 540/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
1/54 = 1 × 28/54 × 28 = 28/1512 - Add the two like fractions:
540/1512 + 28/1512 = 540 + 28/1512 = 568/1512 - 568/1512 simplified gives 71/189
- So, 20/56 + 1/54 = 71/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+1/54 20/56+2/54 60/56+1/54 20/56+3/54 20/56+5/54 20/56+7/54