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Add 16/21 and 20/8

1st number: 16/21, 2nd number: 2 4/8

16/21 + 20/8 is 137/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    16/21 = 16 × 8/21 × 8 = 128/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    20/8 = 20 × 21/8 × 21 = 420/168
  4. Add the two like fractions:
    128/168 + 420/168 = 128 + 420/168 = 548/168
  5. 548/168 simplified gives 137/42
  6. So, 16/21 + 20/8 = 137/42
    In mixed form: 311/42

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