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Add 15/72 and 24/40

15/72 + 24/40 is 97/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    24/40 = 24 × 9/40 × 9 = 216/360
  4. Add the two fractions:
    75/360 + 216/360 = 75 + 216/360 = 291/360
  5. After reducing the fraction, the answer is 97/120

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