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Add 6/84 and 6/90

6/84 + 6/90 is 29/210.

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,
    6/84 = 6 × 15/84 × 15 = 90/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    6/90 = 6 × 14/90 × 14 = 84/1260
  4. Add the two fractions:
    90/1260 + 84/1260 = 90 + 84/1260 = 174/1260
  5. 174/1260 simplified gives 29/210
  6. So, 6/84 + 6/90 = 29/210

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