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Add 60/9 and 90/12

1st number: 6 6/9, 2nd number: 7 6/12

60/9 + 90/12 is 85/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    60/9 = 60 × 4/9 × 4 = 240/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    90/12 = 90 × 3/12 × 3 = 270/36
  4. Add the two like fractions:
    240/36 + 270/36 = 240 + 270/36 = 510/36
  5. 510/36 simplified gives 85/6
  6. So, 60/9 + 90/12 = 85/6
    In mixed form: 141/6

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