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Add 12/20 and 9/25

12/20 + 9/25 is 24/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    12/20 = 12 × 5/20 × 5 = 60/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    9/25 = 9 × 4/25 × 4 = 36/100
  4. Add the two like fractions:
    60/100 + 36/100 = 60 + 36/100 = 96/100
  5. 96/100 simplified gives 24/25
  6. So, 12/20 + 9/25 = 24/25

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