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Add 10/12 and 15/20

10/12 + 15/20 is 19/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    10/12 = 10 × 5/12 × 5 = 50/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    15/20 = 15 × 3/20 × 3 = 45/60
  4. Add the two fractions:
    50/60 + 45/60 = 50 + 45/60 = 95/60
  5. After reducing the fraction, the answer is 19/12
  6. In mixed form: 17/12

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