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Add 90/24 and 21/8

1st number: 3 18/24, 2nd number: 2 5/8

90/24 + 21/8 is 51/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 24 × 1 = 24,
    90/24 = 90 × 1/24 × 1 = 90/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    21/8 = 21 × 3/8 × 3 = 63/24
  4. Add the two like fractions:
    90/24 + 63/24 = 90 + 63/24 = 153/24
  5. 153/24 simplified gives 51/8
  6. So, 90/24 + 21/8 = 51/8
    In mixed form: 63/8

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