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Add 90/24 and 9/20

1st number: 3 18/24, 2nd number: 9/20

90/24 + 9/20 is 21/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 20 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 24 × 5 = 120,
    90/24 = 90 × 5/24 × 5 = 450/120
  3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
    9/20 = 9 × 6/20 × 6 = 54/120
  4. Add the two like fractions:
    450/120 + 54/120 = 450 + 54/120 = 504/120
  5. 504/120 simplified gives 21/5
  6. So, 90/24 + 9/20 = 21/5
    In mixed form: 41/5

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