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Add 45/20 and 80/5

1st number: 2 5/20, 2nd number: 16 0/5

45/20 + 80/5 is 73/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    45/20 = 45 × 1/20 × 1 = 45/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    80/5 = 80 × 4/5 × 4 = 320/20
  4. Add the two like fractions:
    45/20 + 320/20 = 45 + 320/20 = 365/20
  5. 365/20 simplified gives 73/4
  6. So, 45/20 + 80/5 = 73/4
    In mixed form: 181/4

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