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Add 3/20 and 28/49

3/20 + 28/49 is 101/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 49 is 980
  2. For the 1st fraction, since 20 × 49 = 980,
    3/20 = 3 × 49/20 × 49 = 147/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    28/49 = 28 × 20/49 × 20 = 560/980
  4. Add the two fractions:
    147/980 + 560/980 = 147 + 560/980 = 707/980
  5. After reducing the fraction, the answer is 101/140

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