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Add 12/90 and 20/12

1st number: 12/90, 2nd number: 1 8/12

12/90 + 20/12 is 9/5.

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,
    12/90 = 12 × 2/90 × 2 = 24/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    20/12 = 20 × 15/12 × 15 = 300/180
  4. Add the two like fractions:
    24/180 + 300/180 = 24 + 300/180 = 324/180
  5. 324/180 simplified gives 9/5
  6. So, 12/90 + 20/12 = 9/5
    In mixed form: 14/5

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