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Add 28/60 and 40/72

28/60 + 40/72 is 46/45.

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,
    28/60 = 28 × 6/60 × 6 = 168/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    40/72 = 40 × 5/72 × 5 = 200/360
  4. Add the two like fractions:
    168/360 + 200/360 = 168 + 200/360 = 368/360
  5. 368/360 simplified gives 46/45
  6. So, 28/60 + 40/72 = 46/45
    In mixed form: 11/45

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