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Add 9/18 and 90/40

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

9/18 + 90/40 is 11/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    9/18 = 9 × 20/18 × 20 = 180/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    90/40 = 90 × 9/40 × 9 = 810/360
  4. Add the two like fractions:
    180/360 + 810/360 = 180 + 810/360 = 990/360
  5. 990/360 simplified gives 11/4
  6. So, 9/18 + 90/40 = 11/4
    In mixed form: 23/4

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