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Add 24/40 and 18/90

24/40 + 18/90 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    24/40 = 24 × 9/40 × 9 = 216/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    18/90 = 18 × 4/90 × 4 = 72/360
  4. Add the two like fractions:
    216/360 + 72/360 = 216 + 72/360 = 288/360
  5. 288/360 simplified gives 4/5
  6. So, 24/40 + 18/90 = 4/5

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