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Add 36/40 and 5/84

36/40 + 5/84 is 403/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    36/40 = 36 × 21/40 × 21 = 756/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    5/84 = 5 × 10/84 × 10 = 50/840
  4. Add the two like fractions:
    756/840 + 50/840 = 756 + 50/840 = 806/840
  5. 806/840 simplified gives 403/420
  6. So, 36/40 + 5/84 = 403/420

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