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Add 18/3 and 21/7

1st number: 6 0/3, 2nd number: 3 0/7

18/3 + 21/7 is 9/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    18/3 = 18 × 7/3 × 7 = 126/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    21/7 = 21 × 3/7 × 3 = 63/21
  4. Add the two fractions:
    126/21 + 63/21 = 126 + 63/21 = 189/21
  5. After reducing the fraction, the answer is 9/1

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