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Add 40/42 and 10/84

40/42 + 10/84 is 15/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    40/42 = 40 × 2/42 × 2 = 80/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    10/84 = 10 × 1/84 × 1 = 10/84
  4. Add the two like fractions:
    80/84 + 10/84 = 80 + 10/84 = 90/84
  5. 90/84 simplified gives 15/14
  6. So, 40/42 + 10/84 = 15/14
    In mixed form: 11/14

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