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Add 20/40 and 36/84

20/40 + 36/84 is 13/14.

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,
    20/40 = 20 × 21/40 × 21 = 420/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    36/84 = 36 × 10/84 × 10 = 360/840
  4. Add the two like fractions:
    420/840 + 360/840 = 420 + 360/840 = 780/840
  5. 780/840 simplified gives 13/14
  6. So, 20/40 + 36/84 = 13/14

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