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Add 16/20 and 1/63

16/20 + 1/63 is 257/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    16/20 = 16 × 63/20 × 63 = 1008/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    1/63 = 1 × 20/63 × 20 = 20/1260
  4. Add the two fractions:
    1008/1260 + 20/1260 = 1008 + 20/1260 = 1028/1260
  5. After reducing the fraction, the answer is 257/315

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