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Add 18/12 and 90/75

1st number: 1 6/12, 2nd number: 1 15/75

18/12 + 90/75 is 27/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    18/12 = 18 × 25/12 × 25 = 450/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    90/75 = 90 × 4/75 × 4 = 360/300
  4. Add the two like fractions:
    450/300 + 360/300 = 450 + 360/300 = 810/300
  5. 810/300 simplified gives 27/10
  6. So, 18/12 + 90/75 = 27/10
    In mixed form: 27/10

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