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Add 20/63 and 5/20

20/63 + 5/20 is 143/252.

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,
    20/63 = 20 × 20/63 × 20 = 400/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    5/20 = 5 × 63/20 × 63 = 315/1260
  4. Add the two like fractions:
    400/1260 + 315/1260 = 400 + 315/1260 = 715/1260
  5. 715/1260 simplified gives 143/252
  6. So, 20/63 + 5/20 = 143/252

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