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Add 60/21 and 9/12

1st number: 2 18/21, 2nd number: 9/12

60/21 + 9/12 is 101/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 12 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    60/21 = 60 × 4/21 × 4 = 240/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    9/12 = 9 × 7/12 × 7 = 63/84
  4. Add the two fractions:
    240/84 + 63/84 = 240 + 63/84 = 303/84
  5. After reducing the fraction, the answer is 101/28
  6. In mixed form: 317/28

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