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Add 4/21 and 2/54

4/21 + 2/54 is 43/189.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 21 × 18 = 378,
    4/21 = 4 × 18/21 × 18 = 72/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    2/54 = 2 × 7/54 × 7 = 14/378
  4. Add the two like fractions:
    72/378 + 14/378 = 72 + 14/378 = 86/378
  5. 86/378 simplified gives 43/189
  6. So, 4/21 + 2/54 = 43/189

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