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Add 5/4 and 20/12

1st number: 1 1/4, 2nd number: 1 8/12

5/4 + 20/12 is 35/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12
  2. For the 1st fraction, since 4 × 3 = 12,
    5/4 = 5 × 3/4 × 3 = 15/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    20/12 = 20 × 1/12 × 1 = 20/12
  4. Add the two fractions:
    15/12 + 20/12 = 15 + 20/12 = 35/12
  5. In mixed form: 211/12

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