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Add 14/54 and 18/21

14/54 + 18/21 is 211/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 21 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    14/54 = 14 × 7/54 × 7 = 98/378
  3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
    18/21 = 18 × 18/21 × 18 = 324/378
  4. Add the two like fractions:
    98/378 + 324/378 = 98 + 324/378 = 422/378
  5. 422/378 simplified gives 211/189
  6. So, 14/54 + 18/21 = 211/189
    In mixed form: 122/189

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