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Add 12/84 and 20/49

12/84 + 20/49 is 27/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588
  2. For the 1st fraction, since 84 × 7 = 588,
    12/84 = 12 × 7/84 × 7 = 84/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    20/49 = 20 × 12/49 × 12 = 240/588
  4. Add the two fractions:
    84/588 + 240/588 = 84 + 240/588 = 324/588
  5. 324/588 simplified gives 27/49
  6. So, 12/84 + 20/49 = 27/49

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