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Add 21/24 and 3/20

21/24 + 3/20 is 41/40.

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,
    21/24 = 21 × 5/24 × 5 = 105/120
  3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
    3/20 = 3 × 6/20 × 6 = 18/120
  4. Add the two like fractions:
    105/120 + 18/120 = 105 + 18/120 = 123/120
  5. 123/120 simplified gives 41/40
  6. So, 21/24 + 3/20 = 41/40
    In mixed form: 11/40

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