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Add 10/12 and 9/7

1st number: 10/12, 2nd number: 1 2/7

10/12 + 9/7 is 89/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    10/12 = 10 × 7/12 × 7 = 70/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    9/7 = 9 × 12/7 × 12 = 108/84
  4. Add the two like fractions:
    70/84 + 108/84 = 70 + 108/84 = 178/84
  5. 178/84 simplified gives 89/42
  6. So, 10/12 + 9/7 = 89/42
    In mixed form: 25/42

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