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Add 14/84 and 21/45

14/84 + 21/45 is 19/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    14/84 = 14 × 15/84 × 15 = 210/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    21/45 = 21 × 28/45 × 28 = 588/1260
  4. Add the two fractions:
    210/1260 + 588/1260 = 210 + 588/1260 = 798/1260
  5. After reducing the fraction, the answer is 19/30

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