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Add 36/63 and 20/49

36/63 + 20/49 is 48/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 49 is 441
  2. For the 1st fraction, since 63 × 7 = 441,
    36/63 = 36 × 7/63 × 7 = 252/441
  3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
    20/49 = 20 × 9/49 × 9 = 180/441
  4. Add the two fractions:
    252/441 + 180/441 = 252 + 180/441 = 432/441
  5. After reducing the fraction, the answer is 48/49

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