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Add 9/4 and 18/80

1st number: 2 1/4, 2nd number: 18/80

9/4 + 18/80 is 99/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 4 × 20 = 80,
    9/4 = 9 × 20/4 × 20 = 180/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    18/80 = 18 × 1/80 × 1 = 18/80
  4. Add the two like fractions:
    180/80 + 18/80 = 180 + 18/80 = 198/80
  5. 198/80 simplified gives 99/40
  6. So, 9/4 + 18/80 = 99/40
    In mixed form: 219/40

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