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Add 24/90 and 81/40

1st number: 24/90, 2nd number: 2 1/40

24/90 + 81/40 is 55/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    24/90 = 24 × 4/90 × 4 = 96/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    81/40 = 81 × 9/40 × 9 = 729/360
  4. Add the two like fractions:
    96/360 + 729/360 = 96 + 729/360 = 825/360
  5. 825/360 simplified gives 55/24
  6. So, 24/90 + 81/40 = 55/24
    In mixed form: 27/24

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