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Add 2/45 and 1/20

2/45 + 1/20 is 17/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    2/45 = 2 × 4/45 × 4 = 8/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    1/20 = 1 × 9/20 × 9 = 9/180
  4. Add the two fractions:
    8/180 + 9/180 = 8 + 9/180 = 17/180

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