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Add 75/20 and 27/72

1st number: 3 15/20, 2nd number: 27/72

75/20 + 27/72 is 33/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    75/20 = 75 × 18/20 × 18 = 1350/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    27/72 = 27 × 5/72 × 5 = 135/360
  4. Add the two like fractions:
    1350/360 + 135/360 = 1350 + 135/360 = 1485/360
  5. 1485/360 simplified gives 33/8
  6. So, 75/20 + 27/72 = 33/8
    In mixed form: 41/8

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