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Add 12/4 and 20/18

1st number: 3 0/4, 2nd number: 1 2/18

12/4 + 20/18 is 37/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 18 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    12/4 = 12 × 9/4 × 9 = 108/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    20/18 = 20 × 2/18 × 2 = 40/36
  4. Add the two fractions:
    108/36 + 40/36 = 108 + 40/36 = 148/36
  5. After reducing the fraction, the answer is 37/9
  6. In mixed form: 41/9

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