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Add 54/60 and 20/72

54/60 + 20/72 is 53/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 60 × 6 = 360,
    54/60 = 54 × 6/60 × 6 = 324/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  4. Add the two like fractions:
    324/360 + 100/360 = 324 + 100/360 = 424/360
  5. 424/360 simplified gives 53/45
  6. So, 54/60 + 20/72 = 53/45
    In mixed form: 18/45

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