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Add 12/50 and 28/90

12/50 + 28/90 is 124/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450
  2. For the 1st fraction, since 50 × 9 = 450,
    12/50 = 12 × 9/50 × 9 = 108/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    28/90 = 28 × 5/90 × 5 = 140/450
  4. Add the two fractions:
    108/450 + 140/450 = 108 + 140/450 = 248/450
  5. After reducing the fraction, the answer is 124/225

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