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Add 81/90 and 5/75

81/90 + 5/75 is 29/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 75 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    81/90 = 81 × 5/90 × 5 = 405/450
  3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
    5/75 = 5 × 6/75 × 6 = 30/450
  4. Add the two like fractions:
    405/450 + 30/450 = 405 + 30/450 = 435/450
  5. 435/450 simplified gives 29/30
  6. So, 81/90 + 5/75 = 29/30

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