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Add 12/45 and 80/18

1st number: 12/45, 2nd number: 4 8/18

12/45 + 80/18 is 212/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    12/45 = 12 × 2/45 × 2 = 24/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    80/18 = 80 × 5/18 × 5 = 400/90
  4. Add the two like fractions:
    24/90 + 400/90 = 24 + 400/90 = 424/90
  5. 424/90 simplified gives 212/45
  6. So, 12/45 + 80/18 = 212/45
    In mixed form: 432/45

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