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Add 10/25 and 42/45

10/25 + 42/45 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 45 is 225
  2. For the 1st fraction, since 25 × 9 = 225,
    10/25 = 10 × 9/25 × 9 = 90/225
  3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
    42/45 = 42 × 5/45 × 5 = 210/225
  4. Add the two fractions:
    90/225 + 210/225 = 90 + 210/225 = 300/225
  5. After reducing the fraction, the answer is 4/3
  6. In mixed form: 11/3

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