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Add 45/3 and 45/20

1st number: 15 0/3, 2nd number: 2 5/20

45/3 + 45/20 is 69/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    45/3 = 45 × 20/3 × 20 = 900/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    45/20 = 45 × 3/20 × 3 = 135/60
  4. Add the two like fractions:
    900/60 + 135/60 = 900 + 135/60 = 1035/60
  5. 1035/60 simplified gives 69/4
  6. So, 45/3 + 45/20 = 69/4
    In mixed form: 171/4

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