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Add 56/28 and 12/84

1st number: 2 0/28, 2nd number: 12/84

56/28 + 12/84 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 84 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    56/28 = 56 × 3/28 × 3 = 168/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    12/84 = 12 × 1/84 × 1 = 12/84
  4. Add the two fractions:
    168/84 + 12/84 = 168 + 12/84 = 180/84
  5. 180/84 simplified gives 15/7
  6. So, 56/28 + 12/84 = 15/7
    In mixed form: 21/7

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