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Add 81/15 and 70/56

1st number: 5 6/15, 2nd number: 1 14/56

81/15 + 70/56 is 133/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    81/15 = 81 × 56/15 × 56 = 4536/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    70/56 = 70 × 15/56 × 15 = 1050/840
  4. Add the two like fractions:
    4536/840 + 1050/840 = 4536 + 1050/840 = 5586/840
  5. 5586/840 simplified gives 133/20
  6. So, 81/15 + 70/56 = 133/20
    In mixed form: 613/20

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