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Add 40/42 and 12/7

1st number: 40/42, 2nd number: 1 5/7

40/42 + 12/7 is 8/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    40/42 = 40 × 1/42 × 1 = 40/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    12/7 = 12 × 6/7 × 6 = 72/42
  4. Add the two like fractions:
    40/42 + 72/42 = 40 + 72/42 = 112/42
  5. 112/42 simplified gives 8/3
  6. So, 40/42 + 12/7 = 8/3
    In mixed form: 22/3

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