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Add 9/42 and 21/7

1st number: 9/42, 2nd number: 3 0/7

9/42 + 21/7 is 45/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    9/42 = 9 × 1/42 × 1 = 9/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    21/7 = 21 × 6/7 × 6 = 126/42
  4. Add the two fractions:
    9/42 + 126/42 = 9 + 126/42 = 135/42
  5. After reducing the fraction, the answer is 45/14
  6. In mixed form: 33/14

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