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Add 5/63 and 20/54

5/63 + 20/54 is 85/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 54 is 378
  2. For the 1st fraction, since 63 × 6 = 378,
    5/63 = 5 × 6/63 × 6 = 30/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    20/54 = 20 × 7/54 × 7 = 140/378
  4. Add the two fractions:
    30/378 + 140/378 = 30 + 140/378 = 170/378
  5. After reducing the fraction, the answer is 85/189

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