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Add 84/40 and 4/18

1st number: 2 4/40, 2nd number: 4/18

84/40 + 4/18 is 209/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    84/40 = 84 × 9/40 × 9 = 756/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    4/18 = 4 × 20/18 × 20 = 80/360
  4. Add the two like fractions:
    756/360 + 80/360 = 756 + 80/360 = 836/360
  5. 836/360 simplified gives 209/90
  6. So, 84/40 + 4/18 = 209/90
    In mixed form: 229/90

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