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Add 3/45 and 5/20

3/45 + 5/20 is 19/60.

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,
    3/45 = 3 × 4/45 × 4 = 12/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  4. Add the two fractions:
    12/180 + 45/180 = 12 + 45/180 = 57/180
  5. 57/180 simplified gives 19/60
  6. So, 3/45 + 5/20 = 19/60

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