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Add 20/45 and 14/84

20/45 + 14/84 is 11/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    20/45 = 20 × 28/45 × 28 = 560/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    14/84 = 14 × 15/84 × 15 = 210/1260
  4. Add the two like fractions:
    560/1260 + 210/1260 = 560 + 210/1260 = 770/1260
  5. 770/1260 simplified gives 11/18
  6. So, 20/45 + 14/84 = 11/18

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