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Add 3/10 and 2/20

3/10 + 2/20 is 2/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    3/10 = 3 × 2/10 × 2 = 6/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    2/20 = 2 × 1/20 × 1 = 2/20
  4. Add the two fractions:
    6/20 + 2/20 = 6 + 2/20 = 8/20
  5. After reducing the fraction, the answer is 2/5

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