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Add 21/90 and 9/24

21/90 + 9/24 is 73/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 24 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    21/90 = 21 × 4/90 × 4 = 84/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    9/24 = 9 × 15/24 × 15 = 135/360
  4. Add the two like fractions:
    84/360 + 135/360 = 84 + 135/360 = 219/360
  5. 219/360 simplified gives 73/120
  6. So, 21/90 + 9/24 = 73/120

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