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Add 84/12 and 1/45

1st number: 7 0/12, 2nd number: 1/45

84/12 + 1/45 is 316/45.

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,
    84/12 = 84 × 15/12 × 15 = 1260/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  4. Add the two like fractions:
    1260/180 + 4/180 = 1260 + 4/180 = 1264/180
  5. 1264/180 simplified gives 316/45
  6. So, 84/12 + 1/45 = 316/45
    In mixed form: 71/45

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