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Add 81/90 and 70/56

1st number: 81/90, 2nd number: 1 14/56

81/90 + 70/56 is 43/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    81/90 = 81 × 28/90 × 28 = 2268/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    70/56 = 70 × 45/56 × 45 = 3150/2520
  4. Add the two like fractions:
    2268/2520 + 3150/2520 = 2268 + 3150/2520 = 5418/2520
  5. 5418/2520 simplified gives 43/20
  6. So, 81/90 + 70/56 = 43/20
    In mixed form: 23/20

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