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Add 1/63 and 4/20

1/63 + 4/20 is 68/315.

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,
    1/63 = 1 × 20/63 × 20 = 20/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    4/20 = 4 × 63/20 × 63 = 252/1260
  4. Add the two like fractions:
    20/1260 + 252/1260 = 20 + 252/1260 = 272/1260
  5. 272/1260 simplified gives 68/315
  6. So, 1/63 + 4/20 = 68/315

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