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Add 21/6 and 16/20

1st number: 3 3/6, 2nd number: 16/20

21/6 + 16/20 is 43/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 6 × 10 = 60,
    21/6 = 21 × 10/6 × 10 = 210/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    16/20 = 16 × 3/20 × 3 = 48/60
  4. Add the two like fractions:
    210/60 + 48/60 = 210 + 48/60 = 258/60
  5. 258/60 simplified gives 43/10
  6. So, 21/6 + 16/20 = 43/10
    In mixed form: 43/10

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