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Add 20/3 and 72/56

1st number: 6 2/3, 2nd number: 1 16/56

20/3 + 72/56 is 167/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 3 × 56 = 168,
    20/3 = 20 × 56/3 × 56 = 1120/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    72/56 = 72 × 3/56 × 3 = 216/168
  4. Add the two like fractions:
    1120/168 + 216/168 = 1120 + 216/168 = 1336/168
  5. 1336/168 simplified gives 167/21
  6. So, 20/3 + 72/56 = 167/21
    In mixed form: 720/21

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