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Add 28/56 and 6/21

28/56 + 6/21 is 11/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 21 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    28/56 = 28 × 3/56 × 3 = 84/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    6/21 = 6 × 8/21 × 8 = 48/168
  4. Add the two fractions:
    84/168 + 48/168 = 84 + 48/168 = 132/168
  5. 132/168 simplified gives 11/14
  6. So, 28/56 + 6/21 = 11/14

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