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Add 90/24 and 21/28

1st number: 3 18/24, 2nd number: 21/28

90/24 + 21/28 is 9/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 28 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    90/24 = 90 × 7/24 × 7 = 630/168
  3. Likewise, for the 2nd fraction, since 28 × 6 = 168,
    21/28 = 21 × 6/28 × 6 = 126/168
  4. Add the two like fractions:
    630/168 + 126/168 = 630 + 126/168 = 756/168
  5. 756/168 simplified gives 9/2
  6. So, 90/24 + 21/28 = 9/2
    In mixed form: 41/2

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