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Add 20/4 and 42/12

1st number: 5 0/4, 2nd number: 3 6/12

20/4 + 42/12 is 17/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    20/4 = 20 × 3/4 × 3 = 60/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    42/12 = 42 × 1/12 × 1 = 42/12
  4. Add the two like fractions:
    60/12 + 42/12 = 60 + 42/12 = 102/12
  5. 102/12 simplified gives 17/2
  6. So, 20/4 + 42/12 = 17/2
    In mixed form: 81/2

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