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Add 45/9 and 80/5

1st number: 5 0/9, 2nd number: 16 0/5

45/9 + 80/5 is 21/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 5 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    45/9 = 45 × 5/9 × 5 = 225/45
  3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
    80/5 = 80 × 9/5 × 9 = 720/45
  4. Add the two like fractions:
    225/45 + 720/45 = 225 + 720/45 = 945/45
  5. 945/45 simplified gives 21/1
  6. So, 45/9 + 80/5 = 21/1

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