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Add 3/10 and 2/40

3/10 + 2/40 is 7/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    3/10 = 3 × 4/10 × 4 = 12/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    2/40 = 2 × 1/40 × 1 = 2/40
  4. Add the two fractions:
    12/40 + 2/40 = 12 + 2/40 = 14/40
  5. After reducing the fraction, the answer is 7/20

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