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Add 21/54 and 1/3

21/54 + 1/3 is 13/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 3 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 54 × 1 = 54,
    21/54 = 21 × 1/54 × 1 = 21/54
  3. Likewise, for the 2nd fraction, since 3 × 18 = 54,
    1/3 = 1 × 18/3 × 18 = 18/54
  4. Add the two like fractions:
    21/54 + 18/54 = 21 + 18/54 = 39/54
  5. 39/54 simplified gives 13/18
  6. So, 21/54 + 1/3 = 13/18

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