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Add 9/20 and 15/24

9/20 + 15/24 is 43/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 20 × 6 = 120,
    9/20 = 9 × 6/20 × 6 = 54/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    15/24 = 15 × 5/24 × 5 = 75/120
  4. Add the two like fractions:
    54/120 + 75/120 = 54 + 75/120 = 129/120
  5. 129/120 simplified gives 43/40
  6. So, 9/20 + 15/24 = 43/40
    In mixed form: 13/40

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