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Add 20/80 and 24/90

20/80 + 24/90 is 31/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    20/80 = 20 × 9/80 × 9 = 180/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    24/90 = 24 × 8/90 × 8 = 192/720
  4. Add the two like fractions:
    180/720 + 192/720 = 180 + 192/720 = 372/720
  5. 372/720 simplified gives 31/60
  6. So, 20/80 + 24/90 = 31/60

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