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Add 20/3 and 42/56

1st number: 6 2/3, 2nd number: 42/56

20/3 + 42/56 is 89/12.

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,
    42/56 = 42 × 3/56 × 3 = 126/168
  4. Add the two like fractions:
    1120/168 + 126/168 = 1120 + 126/168 = 1246/168
  5. 1246/168 simplified gives 89/12
  6. So, 20/3 + 42/56 = 89/12
    In mixed form: 75/12

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