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Add 81/6 and 70/4

1st number: 13 3/6, 2nd number: 17 2/4

81/6 + 70/4 is 31/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 4 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 6 × 2 = 12,
    81/6 = 81 × 2/6 × 2 = 162/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    70/4 = 70 × 3/4 × 3 = 210/12
  4. Add the two like fractions:
    162/12 + 210/12 = 162 + 210/12 = 372/12
  5. 372/12 simplified gives 31/1
  6. So, 81/6 + 70/4 = 31/1

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