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Add 40/90 and 16/12

1st number: 40/90, 2nd number: 1 4/12

40/90 + 16/12 is 16/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    40/90 = 40 × 2/90 × 2 = 80/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    16/12 = 16 × 15/12 × 15 = 240/180
  4. Add the two like fractions:
    80/180 + 240/180 = 80 + 240/180 = 320/180
  5. 320/180 simplified gives 16/9
  6. So, 40/90 + 16/12 = 16/9
    In mixed form: 17/9

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