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Add 45/12 and 1/5

1st number: 3 9/12, 2nd number: 1/5

45/12 + 1/5 is 79/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 5 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 5 × 12 = 60,
    1/5 = 1 × 12/5 × 12 = 12/60
  4. Add the two like fractions:
    225/60 + 12/60 = 225 + 12/60 = 237/60
  5. 237/60 simplified gives 79/20
  6. So, 45/12 + 1/5 = 79/20
    In mixed form: 319/20

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