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Add 45/12 and 32/20

1st number: 3 9/12, 2nd number: 1 12/20

45/12 + 32/20 is 107/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    45/12 = 45 × 5/12 × 5 = 225/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    32/20 = 32 × 3/20 × 3 = 96/60
  4. Add the two like fractions:
    225/60 + 96/60 = 225 + 96/60 = 321/60
  5. 321/60 simplified gives 107/20
  6. So, 45/12 + 32/20 = 107/20
    In mixed form: 57/20

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