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Add 40/72 and 14/84

40/72 + 14/84 is 13/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    40/72 = 40 × 7/72 × 7 = 280/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    14/84 = 14 × 6/84 × 6 = 84/504
  4. Add the two like fractions:
    280/504 + 84/504 = 280 + 84/504 = 364/504
  5. 364/504 simplified gives 13/18
  6. So, 40/72 + 14/84 = 13/18

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