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Add 20/4 and 1/81

1st number: 5 0/4, 2nd number: 1/81

20/4 + 1/81 is 406/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 4 × 81 = 324,
    20/4 = 20 × 81/4 × 81 = 1620/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    1/81 = 1 × 4/81 × 4 = 4/324
  4. Add the two like fractions:
    1620/324 + 4/324 = 1620 + 4/324 = 1624/324
  5. 1624/324 simplified gives 406/81
  6. So, 20/4 + 1/81 = 406/81
    In mixed form: 51/81

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