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Add 4/72 and 30/45

4/72 + 30/45 is 13/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    30/45 = 30 × 8/45 × 8 = 240/360
  4. Add the two like fractions:
    20/360 + 240/360 = 20 + 240/360 = 260/360
  5. 260/360 simplified gives 13/18
  6. So, 4/72 + 30/45 = 13/18

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