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Add 36/20 and 21/12

1st number: 1 16/20, 2nd number: 1 9/12

36/20 + 21/12 is 71/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    36/20 = 36 × 3/20 × 3 = 108/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    21/12 = 21 × 5/12 × 5 = 105/60
  4. Add the two fractions:
    108/60 + 105/60 = 108 + 105/60 = 213/60
  5. After reducing the fraction, the answer is 71/20
  6. In mixed form: 311/20

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