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Add 18/40 and 90/9

1st number: 18/40, 2nd number: 10 0/9

18/40 + 90/9 is 209/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    90/9 = 90 × 40/9 × 40 = 3600/360
  4. Add the two like fractions:
    162/360 + 3600/360 = 162 + 3600/360 = 3762/360
  5. 3762/360 simplified gives 209/20
  6. So, 18/40 + 90/9 = 209/20
    In mixed form: 109/20

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