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Add 4/10 and 1/45

4/10 + 1/45 is 19/45.

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,
    4/10 = 4 × 9/10 × 9 = 36/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    1/45 = 1 × 2/45 × 2 = 2/90
  4. Add the two like fractions:
    36/90 + 2/90 = 36 + 2/90 = 38/90
  5. 38/90 simplified gives 19/45
  6. So, 4/10 + 1/45 = 19/45

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