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Add 20/25 and 5/20

20/25 + 5/20 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 25 × 4 = 100,
    20/25 = 20 × 4/25 × 4 = 80/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    5/20 = 5 × 5/20 × 5 = 25/100
  4. Add the two like fractions:
    80/100 + 25/100 = 80 + 25/100 = 105/100
  5. 105/100 simplified gives 21/20
  6. So, 20/25 + 5/20 = 21/20
    In mixed form: 11/20

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