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Add 3/24 and 21/20

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

3/24 + 21/20 is 47/40.

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,
    3/24 = 3 × 5/24 × 5 = 15/120
  3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
    21/20 = 21 × 6/20 × 6 = 126/120
  4. Add the two like fractions:
    15/120 + 126/120 = 15 + 126/120 = 141/120
  5. 141/120 simplified gives 47/40
  6. So, 3/24 + 21/20 = 47/40
    In mixed form: 17/40

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