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Add 30/20 and 12/16

1st number: 1 10/20, 2nd number: 12/16

30/20 + 12/16 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80
  2. For the 1st fraction, since 20 × 4 = 80,
    30/20 = 30 × 4/20 × 4 = 120/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    12/16 = 12 × 5/16 × 5 = 60/80
  4. Add the two fractions:
    120/80 + 60/80 = 120 + 60/80 = 180/80
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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