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Add 20/12 and 6/45

1st number: 1 8/12, 2nd number: 6/45

20/12 + 6/45 is 9/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    20/12 = 20 × 15/12 × 15 = 300/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    6/45 = 6 × 4/45 × 4 = 24/180
  4. Add the two fractions:
    300/180 + 24/180 = 300 + 24/180 = 324/180
  5. After reducing the fraction, the answer is 9/5
  6. In mixed form: 14/5

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