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Add 8/20 and 9/40

8/20 + 9/40 is 5/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    8/20 = 8 × 2/20 × 2 = 16/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    9/40 = 9 × 1/40 × 1 = 9/40
  4. Add the two like fractions:
    16/40 + 9/40 = 16 + 9/40 = 25/40
  5. 25/40 simplified gives 5/8
  6. So, 8/20 + 9/40 = 5/8

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