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Add 27/9 and 18/40

1st number: 3 0/9, 2nd number: 18/40

27/9 + 18/40 is 69/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 9 × 40 = 360,
    27/9 = 27 × 40/9 × 40 = 1080/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  4. Add the two like fractions:
    1080/360 + 162/360 = 1080 + 162/360 = 1242/360
  5. 1242/360 simplified gives 69/20
  6. So, 27/9 + 18/40 = 69/20
    In mixed form: 39/20

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