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Add 90/12 and 81/24

1st number: 7 6/12, 2nd number: 3 9/24

90/12 + 81/24 is 87/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 24 is 24
  2. For the 1st fraction, since 12 × 2 = 24,
    90/12 = 90 × 2/12 × 2 = 180/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    81/24 = 81 × 1/24 × 1 = 81/24
  4. Add the two fractions:
    180/24 + 81/24 = 180 + 81/24 = 261/24
  5. 261/24 simplified gives 87/8
  6. So, 90/12 + 81/24 = 87/8
    In mixed form: 107/8

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