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Add 81/40 and 3/90

1st number: 2 1/40, 2nd number: 3/90

81/40 + 3/90 is 247/120.

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,
    81/40 = 81 × 9/40 × 9 = 729/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    3/90 = 3 × 4/90 × 4 = 12/360
  4. Add the two like fractions:
    729/360 + 12/360 = 729 + 12/360 = 741/360
  5. 741/360 simplified gives 247/120
  6. So, 81/40 + 3/90 = 247/120
    In mixed form: 27/120

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