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Add 84/20 and 40/9

1st number: 4 4/20, 2nd number: 4 4/9

84/20 + 40/9 is 389/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    84/20 = 84 × 9/20 × 9 = 756/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    40/9 = 40 × 20/9 × 20 = 800/180
  4. Add the two fractions:
    756/180 + 800/180 = 756 + 800/180 = 1556/180
  5. 1556/180 simplified gives 389/45
  6. So, 84/20 + 40/9 = 389/45
    In mixed form: 829/45

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