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Add 45/9 and 10/20

1st number: 5 0/9, 2nd number: 10/20

45/9 + 10/20 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    45/9 = 45 × 20/9 × 20 = 900/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    10/20 = 10 × 9/20 × 9 = 90/180
  4. Add the two like fractions:
    900/180 + 90/180 = 900 + 90/180 = 990/180
  5. 990/180 simplified gives 11/2
  6. So, 45/9 + 10/20 = 11/2
    In mixed form: 51/2

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