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Add 5/84 and 10/90

5/84 + 10/90 is 43/252.

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,
    5/84 = 5 × 15/84 × 15 = 75/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    10/90 = 10 × 14/90 × 14 = 140/1260
  4. Add the two fractions:
    75/1260 + 140/1260 = 75 + 140/1260 = 215/1260
  5. After reducing the fraction, the answer is 43/252

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