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Add 90/20 and 90/9

1st number: 4 10/20, 2nd number: 10 0/9

90/20 + 90/9 is 29/2.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    90/9 = 90 × 20/9 × 20 = 1800/180
  4. Add the two like fractions:
    810/180 + 1800/180 = 810 + 1800/180 = 2610/180
  5. 2610/180 simplified gives 29/2
  6. So, 90/20 + 90/9 = 29/2
    In mixed form: 141/2

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