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Add 1/90 and 2/84

1/90 + 2/84 is 11/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    1/90 = 1 × 14/90 × 14 = 14/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    2/84 = 2 × 15/84 × 15 = 30/1260
  4. Add the two fractions:
    14/1260 + 30/1260 = 14 + 30/1260 = 44/1260
  5. After reducing the fraction, the answer is 11/315

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