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Add 21/25 and 5/20

21/25 + 5/20 is 109/100.

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,
    21/25 = 21 × 4/25 × 4 = 84/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    5/20 = 5 × 5/20 × 5 = 25/100
  4. Add the two like fractions:
    84/100 + 25/100 = 84 + 25/100 = 109/100
  5. So, 21/25 + 5/20 = 109/100
    In mixed form: 19/100

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