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Add 30/20 and 20/81

1st number: 1 10/20, 2nd number: 20/81

30/20 + 20/81 is 283/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 81 is 1620
  2. For the 1st fraction, since 20 × 81 = 1620,
    30/20 = 30 × 81/20 × 81 = 2430/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    20/81 = 20 × 20/81 × 20 = 400/1620
  4. Add the two fractions:
    2430/1620 + 400/1620 = 2430 + 400/1620 = 2830/1620
  5. 2830/1620 simplified gives 283/162
  6. So, 30/20 + 20/81 = 283/162
    In mixed form: 1121/162

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