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Add 21/14 and 16/4

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

21/14 + 16/4 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 4 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 14 × 2 = 28,
    21/14 = 21 × 2/14 × 2 = 42/28
  3. Likewise, for the 2nd fraction, since 4 × 7 = 28,
    16/4 = 16 × 7/4 × 7 = 112/28
  4. Add the two like fractions:
    42/28 + 112/28 = 42 + 112/28 = 154/28
  5. 154/28 simplified gives 11/2
  6. So, 21/14 + 16/4 = 11/2
    In mixed form: 51/2

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