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Add 90/35 and 12/9

1st number: 2 20/35, 2nd number: 1 3/9

90/35 + 12/9 is 82/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 9 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 35 × 9 = 315,
    90/35 = 90 × 9/35 × 9 = 810/315
  3. Likewise, for the 2nd fraction, since 9 × 35 = 315,
    12/9 = 12 × 35/9 × 35 = 420/315
  4. Add the two like fractions:
    810/315 + 420/315 = 810 + 420/315 = 1230/315
  5. 1230/315 simplified gives 82/21
  6. So, 90/35 + 12/9 = 82/21
    In mixed form: 319/21

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