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Add 84/45 and 4/12

1st number: 1 39/45, 2nd number: 4/12

84/45 + 4/12 is 11/5.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    84/45 = 84 × 4/45 × 4 = 336/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    4/12 = 4 × 15/12 × 15 = 60/180
  4. Add the two like fractions:
    336/180 + 60/180 = 336 + 60/180 = 396/180
  5. 396/180 simplified gives 11/5
  6. So, 84/45 + 4/12 = 11/5
    In mixed form: 21/5

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