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Add 36/28 and 20/81

1st number: 1 8/28, 2nd number: 20/81

36/28 + 20/81 is 869/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 81 is 2268
  2. For the 1st fraction, since 28 × 81 = 2268,
    36/28 = 36 × 81/28 × 81 = 2916/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    20/81 = 20 × 28/81 × 28 = 560/2268
  4. Add the two fractions:
    2916/2268 + 560/2268 = 2916 + 560/2268 = 3476/2268
  5. 3476/2268 simplified gives 869/567
  6. So, 36/28 + 20/81 = 869/567
    In mixed form: 1302/567

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