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Add 84/80 and 9/45

1st number: 1 4/80, 2nd number: 9/45

84/80 + 9/45 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    84/80 = 84 × 9/80 × 9 = 756/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    9/45 = 9 × 16/45 × 16 = 144/720
  4. Add the two like fractions:
    756/720 + 144/720 = 756 + 144/720 = 900/720
  5. 900/720 simplified gives 5/4
  6. So, 84/80 + 9/45 = 5/4
    In mixed form: 11/4

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