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Add 16/12 and 42/90

1st number: 1 4/12, 2nd number: 42/90

16/12 + 42/90 is 9/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    16/12 = 16 × 15/12 × 15 = 240/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    42/90 = 42 × 2/90 × 2 = 84/180
  4. Add the two like fractions:
    240/180 + 84/180 = 240 + 84/180 = 324/180
  5. 324/180 simplified gives 9/5
  6. So, 16/12 + 42/90 = 9/5
    In mixed form: 14/5

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