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Add 20/28 and 1/27

20/28 + 1/27 is 142/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 27 is 756
  2. For the 1st fraction, since 28 × 27 = 756,
    20/28 = 20 × 27/28 × 27 = 540/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    1/27 = 1 × 28/27 × 28 = 28/756
  4. Add the two fractions:
    540/756 + 28/756 = 540 + 28/756 = 568/756
  5. 568/756 simplified gives 142/189
  6. So, 20/28 + 1/27 = 142/189

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