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Add 21/50 and 14/20

21/50 + 14/20 is 28/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 50 × 2 = 100,
    21/50 = 21 × 2/50 × 2 = 42/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    14/20 = 14 × 5/20 × 5 = 70/100
  4. Add the two like fractions:
    42/100 + 70/100 = 42 + 70/100 = 112/100
  5. 112/100 simplified gives 28/25
  6. So, 21/50 + 14/20 = 28/25
    In mixed form: 13/25

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