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Add 3/63 and 15/20

3/63 + 15/20 is 67/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    3/63 = 3 × 20/63 × 20 = 60/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    15/20 = 15 × 63/20 × 63 = 945/1260
  4. Add the two like fractions:
    60/1260 + 945/1260 = 60 + 945/1260 = 1005/1260
  5. 1005/1260 simplified gives 67/84
  6. So, 3/63 + 15/20 = 67/84

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