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Add 90/12 and 35/9

1st number: 7 6/12, 2nd number: 3 8/9

90/12 + 35/9 is 205/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    90/12 = 90 × 3/12 × 3 = 270/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    35/9 = 35 × 4/9 × 4 = 140/36
  4. Add the two like fractions:
    270/36 + 140/36 = 270 + 140/36 = 410/36
  5. 410/36 simplified gives 205/18
  6. So, 90/12 + 35/9 = 205/18
    In mixed form: 117/18

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