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Add 3/40 and 5/20

3/40 + 5/20 is 13/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    3/40 = 3 × 1/40 × 1 = 3/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    5/20 = 5 × 2/20 × 2 = 10/40
  4. Add the two like fractions:
    3/40 + 10/40 = 3 + 10/40 = 13/40
  5. So, 3/40 + 5/20 = 13/40

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