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Add 18/40 and 3/45

18/40 + 3/45 is 31/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    3/45 = 3 × 8/45 × 8 = 24/360
  4. Add the two like fractions:
    162/360 + 24/360 = 162 + 24/360 = 186/360
  5. 186/360 simplified gives 31/60
  6. So, 18/40 + 3/45 = 31/60

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