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Add 21/14 and 28/7

1st number: 1 7/14, 2nd number: 4 0/7

21/14 + 28/7 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 14 × 1 = 14,
    21/14 = 21 × 1/14 × 1 = 21/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    28/7 = 28 × 2/7 × 2 = 56/14
  4. Add the two like fractions:
    21/14 + 56/14 = 21 + 56/14 = 77/14
  5. 77/14 simplified gives 11/2
  6. So, 21/14 + 28/7 = 11/2
    In mixed form: 51/2

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