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Add 45/60 and 25/40

45/60 + 25/40 is 11/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 40 is 120
  2. For the 1st fraction, since 60 × 2 = 120,
    45/60 = 45 × 2/60 × 2 = 90/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    25/40 = 25 × 3/40 × 3 = 75/120
  4. Add the two fractions:
    90/120 + 75/120 = 90 + 75/120 = 165/120
  5. After reducing the fraction, the answer is 11/8
  6. In mixed form: 13/8

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