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Add 45/84 and 15/90

45/84 + 15/90 is 59/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    45/84 = 45 × 15/84 × 15 = 675/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    15/90 = 15 × 14/90 × 14 = 210/1260
  4. Add the two fractions:
    675/1260 + 210/1260 = 675 + 210/1260 = 885/1260
  5. After reducing the fraction, the answer is 59/84

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