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Add 12/4 and 81/30

1st number: 3 0/4, 2nd number: 2 21/30

12/4 + 81/30 is 57/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60
  2. For the 1st fraction, since 4 × 15 = 60,
    12/4 = 12 × 15/4 × 15 = 180/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    81/30 = 81 × 2/30 × 2 = 162/60
  4. Add the two fractions:
    180/60 + 162/60 = 180 + 162/60 = 342/60
  5. 342/60 simplified gives 57/10
  6. So, 12/4 + 81/30 = 57/10
    In mixed form: 57/10

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