Add 20/28 and 28/27
1st number: 20/28, 2nd number: 1 1/27
20/28 + 28/27 is 331/189.
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,
28/27 = 28 × 28/27 × 28 = 784/756 - Add the two like fractions:
540/756 + 784/756 = 540 + 784/756 = 1324/756 - 1324/756 simplified gives 331/189
- So, 20/28 + 28/27 = 331/189
In mixed form: 1142/189
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