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Add 21/6 and 45/4

1st number: 3 3/6, 2nd number: 11 1/4

21/6 + 45/4 is 59/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 4 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 6 × 2 = 12,
    21/6 = 21 × 2/6 × 2 = 42/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    45/4 = 45 × 3/4 × 3 = 135/12
  4. Add the two like fractions:
    42/12 + 135/12 = 42 + 135/12 = 177/12
  5. 177/12 simplified gives 59/4
  6. So, 21/6 + 45/4 = 59/4
    In mixed form: 143/4

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