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Add 4/8 and 18/45

4/8 + 18/45 is 9/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    4/8 = 4 × 45/8 × 45 = 180/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    18/45 = 18 × 8/45 × 8 = 144/360
  4. Add the two like fractions:
    180/360 + 144/360 = 180 + 144/360 = 324/360
  5. 324/360 simplified gives 9/10
  6. So, 4/8 + 18/45 = 9/10

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