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Add 20/24 and 5/90

20/24 + 5/90 is 8/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 24 × 15 = 360,
    20/24 = 20 × 15/24 × 15 = 300/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    5/90 = 5 × 4/90 × 4 = 20/360
  4. Add the two like fractions:
    300/360 + 20/360 = 300 + 20/360 = 320/360
  5. 320/360 simplified gives 8/9
  6. So, 20/24 + 5/90 = 8/9

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