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Add 20/8 and 40/9

1st number: 2 4/8, 2nd number: 4 4/9

20/8 + 40/9 is 125/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    20/8 = 20 × 9/8 × 9 = 180/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    40/9 = 40 × 8/9 × 8 = 320/72
  4. Add the two like fractions:
    180/72 + 320/72 = 180 + 320/72 = 500/72
  5. 500/72 simplified gives 125/18
  6. So, 20/8 + 40/9 = 125/18
    In mixed form: 617/18

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