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Add 20/40 and 8/9

20/40 + 8/9 is 25/18.

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,
    20/40 = 20 × 9/40 × 9 = 180/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    8/9 = 8 × 40/9 × 40 = 320/360
  4. Add the two like fractions:
    180/360 + 320/360 = 180 + 320/360 = 500/360
  5. 500/360 simplified gives 25/18
  6. So, 20/40 + 8/9 = 25/18
    In mixed form: 17/18

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