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Add 20/64 and 6/81

20/64 + 6/81 is 167/432.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 81 is 5184

    Next, find the equivalent fraction of both fractional numbers with denominator 5184
  2. For the 1st fraction, since 64 × 81 = 5184,
    20/64 = 20 × 81/64 × 81 = 1620/5184
  3. Likewise, for the 2nd fraction, since 81 × 64 = 5184,
    6/81 = 6 × 64/81 × 64 = 384/5184
  4. Add the two like fractions:
    1620/5184 + 384/5184 = 1620 + 384/5184 = 2004/5184
  5. 2004/5184 simplified gives 167/432
  6. So, 20/64 + 6/81 = 167/432

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