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Add 81/14 and 70/15

1st number: 5 11/14, 2nd number: 4 10/15

81/14 + 70/15 is 439/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    81/14 = 81 × 15/14 × 15 = 1215/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    70/15 = 70 × 14/15 × 14 = 980/210
  4. Add the two like fractions:
    1215/210 + 980/210 = 1215 + 980/210 = 2195/210
  5. 2195/210 simplified gives 439/42
  6. So, 81/14 + 70/15 = 439/42
    In mixed form: 1019/42

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