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Add 21/4 and 4/12

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

21/4 + 4/12 is 67/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    21/4 = 21 × 3/4 × 3 = 63/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    4/12 = 4 × 1/12 × 1 = 4/12
  4. Add the two like fractions:
    63/12 + 4/12 = 63 + 4/12 = 67/12
  5. So, 21/4 + 4/12 = 67/12
    In mixed form: 57/12

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