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Add 81/2 and 70/12

1st number: 40 1/2, 2nd number: 5 10/12

81/2 + 70/12 is 139/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 2 × 6 = 12,
    81/2 = 81 × 6/2 × 6 = 486/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    70/12 = 70 × 1/12 × 1 = 70/12
  4. Add the two like fractions:
    486/12 + 70/12 = 486 + 70/12 = 556/12
  5. 556/12 simplified gives 139/3
  6. So, 81/2 + 70/12 = 139/3
    In mixed form: 461/3

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