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Add 21/28 and 6/8

21/28 + 6/8 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    21/28 = 21 × 2/28 × 2 = 42/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    6/8 = 6 × 7/8 × 7 = 42/56
  4. Add the two like fractions:
    42/56 + 42/56 = 42 + 42/56 = 84/56
  5. 84/56 simplified gives 3/2
  6. So, 21/28 + 6/8 = 3/2
    In mixed form: 11/2

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