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Add 4/40 and 10/45

4/40 + 10/45 is 29/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    4/40 = 4 × 9/40 × 9 = 36/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    10/45 = 10 × 8/45 × 8 = 80/360
  4. Add the two like fractions:
    36/360 + 80/360 = 36 + 80/360 = 116/360
  5. 116/360 simplified gives 29/90
  6. So, 4/40 + 10/45 = 29/90

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