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Add 9/72 and 15/75

9/72 + 15/75 is 13/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 75 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 72 × 25 = 1800,
    9/72 = 9 × 25/72 × 25 = 225/1800
  3. Likewise, for the 2nd fraction, since 75 × 24 = 1800,
    15/75 = 15 × 24/75 × 24 = 360/1800
  4. Add the two like fractions:
    225/1800 + 360/1800 = 225 + 360/1800 = 585/1800
  5. 585/1800 simplified gives 13/40
  6. So, 9/72 + 15/75 = 13/40

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