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Add 28/24 and 9/90

1st number: 1 4/24, 2nd number: 9/90

28/24 + 9/90 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 24 × 15 = 360,
    28/24 = 28 × 15/24 × 15 = 420/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    9/90 = 9 × 4/90 × 4 = 36/360
  4. Add the two like fractions:
    420/360 + 36/360 = 420 + 36/360 = 456/360
  5. 456/360 simplified gives 19/15
  6. So, 28/24 + 9/90 = 19/15
    In mixed form: 14/15

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