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Add 81/12 and 40/10

1st number: 6 9/12, 2nd number: 4 0/10

81/12 + 40/10 is 43/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    81/12 = 81 × 5/12 × 5 = 405/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    40/10 = 40 × 6/10 × 6 = 240/60
  4. Add the two like fractions:
    405/60 + 240/60 = 405 + 240/60 = 645/60
  5. 645/60 simplified gives 43/4
  6. So, 81/12 + 40/10 = 43/4
    In mixed form: 103/4

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