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Add 5/20 and 7/45

5/20 + 7/45 is 73/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    7/45 = 7 × 4/45 × 4 = 28/180
  4. Add the two like fractions:
    45/180 + 28/180 = 45 + 28/180 = 73/180
  5. So, 5/20 + 7/45 = 73/180

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