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Add 84/40 and 64/90

1st number: 2 4/40, 2nd number: 64/90

84/40 + 64/90 is 253/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 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 90 × 4 = 360,
    64/90 = 64 × 4/90 × 4 = 256/360
  4. Add the two like fractions:
    756/360 + 256/360 = 756 + 256/360 = 1012/360
  5. 1012/360 simplified gives 253/90
  6. So, 84/40 + 64/90 = 253/90
    In mixed form: 273/90

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