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Add 18/2 and 20/5

1st number: 9 0/2, 2nd number: 4 0/5

18/2 + 20/5 is 13/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 2 × 5 = 10,
    18/2 = 18 × 5/2 × 5 = 90/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    20/5 = 20 × 2/5 × 2 = 40/10
  4. Add the two like fractions:
    90/10 + 40/10 = 90 + 40/10 = 130/10
  5. 130/10 simplified gives 13/1
  6. So, 18/2 + 20/5 = 13/1

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