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Add 42/2 and 5/4

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

42/2 + 5/4 is 89/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 4 is 4
  2. For the 1st fraction, since 2 × 2 = 4,
    42/2 = 42 × 2/2 × 2 = 84/4
  3. Likewise, for the 2nd fraction, since 4 × 1 = 4,
    5/4 = 5 × 1/4 × 1 = 5/4
  4. Add the two fractions:
    84/4 + 5/4 = 84 + 5/4 = 89/4
  5. In mixed form: 221/4

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