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Add 40/21 and 5/6

1st number: 1 19/21, 2nd number: 5/6

40/21 + 5/6 is 115/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    40/21 = 40 × 2/21 × 2 = 80/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    5/6 = 5 × 7/6 × 7 = 35/42
  4. Add the two like fractions:
    80/42 + 35/42 = 80 + 35/42 = 115/42
  5. So, 40/21 + 5/6 = 115/42
    In mixed form: 231/42

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