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Add 20/27 and 21/63

20/27 + 21/63 is 29/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 63 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    20/27 = 20 × 7/27 × 7 = 140/189
  3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
    21/63 = 21 × 3/63 × 3 = 63/189
  4. Add the two like fractions:
    140/189 + 63/189 = 140 + 63/189 = 203/189
  5. 203/189 simplified gives 29/27
  6. So, 20/27 + 21/63 = 29/27
    In mixed form: 12/27

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