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Add 12/30 and 21/4

1st number: 12/30, 2nd number: 5 1/4

12/30 + 21/4 is 113/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 4 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    12/30 = 12 × 2/30 × 2 = 24/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    21/4 = 21 × 15/4 × 15 = 315/60
  4. Add the two like fractions:
    24/60 + 315/60 = 24 + 315/60 = 339/60
  5. 339/60 simplified gives 113/20
  6. So, 12/30 + 21/4 = 113/20
    In mixed form: 513/20

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