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Add 5/10 and 18/45

5/10 + 18/45 is 9/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    5/10 = 5 × 9/10 × 9 = 45/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    18/45 = 18 × 2/45 × 2 = 36/90
  4. Add the two like fractions:
    45/90 + 36/90 = 45 + 36/90 = 81/90
  5. 81/90 simplified gives 9/10
  6. So, 5/10 + 18/45 = 9/10

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