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Add 5/12 and 18/45

5/12 + 18/45 is 49/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    5/12 = 5 × 15/12 × 15 = 75/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    18/45 = 18 × 4/45 × 4 = 72/180
  4. Add the two like fractions:
    75/180 + 72/180 = 75 + 72/180 = 147/180
  5. 147/180 simplified gives 49/60
  6. So, 5/12 + 18/45 = 49/60

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