Add 20/28 and 8/27
20/28 + 8/27 is 191/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
20/28 = 20 × 27/28 × 27 = 540/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
8/27 = 8 × 28/27 × 28 = 224/756 - Add the two like fractions:
540/756 + 224/756 = 540 + 224/756 = 764/756 - 764/756 simplified gives 191/189
- So, 20/28 + 8/27 = 191/189
In mixed form: 12/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+8/27 20/28+16/27 20/56+8/27 20/28+8/54 60/28+8/27 20/28+24/27 20/84+8/27 20/28+8/81 20/28+40/27 20/28+56/27