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Add 10/12 and 45/90

10/12 + 45/90 is 4/3.

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,
    10/12 = 10 × 15/12 × 15 = 150/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    45/90 = 45 × 2/90 × 2 = 90/180
  4. Add the two like fractions:
    150/180 + 90/180 = 150 + 90/180 = 240/180
  5. 240/180 simplified gives 4/3
  6. So, 10/12 + 45/90 = 4/3
    In mixed form: 11/3

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