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Add 4/5 and 9/20

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

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    4/5 = 4 × 4/5 × 4 = 16/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    9/20 = 9 × 1/20 × 1 = 9/20
  4. Add the two like fractions:
    16/20 + 9/20 = 16 + 9/20 = 25/20
  5. 25/20 simplified gives 5/4
  6. So, 4/5 + 9/20 = 5/4
    In mixed form: 11/4

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