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Add 40/60 and 45/72

40/60 + 45/72 is 31/24.

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,
    40/60 = 40 × 6/60 × 6 = 240/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    45/72 = 45 × 5/72 × 5 = 225/360
  4. Add the two like fractions:
    240/360 + 225/360 = 240 + 225/360 = 465/360
  5. 465/360 simplified gives 31/24
  6. So, 40/60 + 45/72 = 31/24
    In mixed form: 17/24

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