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Add 45/72 and 5/40

45/72 + 5/40 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    45/72 = 45 × 5/72 × 5 = 225/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    5/40 = 5 × 9/40 × 9 = 45/360
  4. Add the two like fractions:
    225/360 + 45/360 = 225 + 45/360 = 270/360
  5. 270/360 simplified gives 3/4
  6. So, 45/72 + 5/40 = 3/4

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