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Add 20/54 and 6/7

20/54 + 6/7 is 232/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    20/54 = 20 × 7/54 × 7 = 140/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    6/7 = 6 × 54/7 × 54 = 324/378
  4. Add the two like fractions:
    140/378 + 324/378 = 140 + 324/378 = 464/378
  5. 464/378 simplified gives 232/189
  6. So, 20/54 + 6/7 = 232/189
    In mixed form: 143/189

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