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Add 12/90 and 80/18

1st number: 12/90, 2nd number: 4 8/18

12/90 + 80/18 is 206/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    12/90 = 12 × 1/90 × 1 = 12/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    80/18 = 80 × 5/18 × 5 = 400/90
  4. Add the two like fractions:
    12/90 + 400/90 = 12 + 400/90 = 412/90
  5. 412/90 simplified gives 206/45
  6. So, 12/90 + 80/18 = 206/45
    In mixed form: 426/45

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