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Add 9/20 and 15/4

1st number: 9/20, 2nd number: 3 3/4

9/20 + 15/4 is 21/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    9/20 = 9 × 1/20 × 1 = 9/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    15/4 = 15 × 5/4 × 5 = 75/20
  4. Add the two fractions:
    9/20 + 75/20 = 9 + 75/20 = 84/20
  5. After reducing the fraction, the answer is 21/5
  6. In mixed form: 41/5

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