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Add 10/20 and 90/10

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

10/20 + 90/10 is 19/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    10/20 = 10 × 1/20 × 1 = 10/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    90/10 = 90 × 2/10 × 2 = 180/20
  4. Add the two like fractions:
    10/20 + 180/20 = 10 + 180/20 = 190/20
  5. 190/20 simplified gives 19/2
  6. So, 10/20 + 90/10 = 19/2
    In mixed form: 91/2

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