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Add 12/25 and 4/90

12/25 + 4/90 is 118/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    12/25 = 12 × 18/25 × 18 = 216/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    4/90 = 4 × 5/90 × 5 = 20/450
  4. Add the two fractions:
    216/450 + 20/450 = 216 + 20/450 = 236/450
  5. After reducing the fraction, the answer is 118/225

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