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Add 7/42 and 21/9

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

7/42 + 21/9 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    7/42 = 7 × 3/42 × 3 = 21/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    21/9 = 21 × 14/9 × 14 = 294/126
  4. Add the two fractions:
    21/126 + 294/126 = 21 + 294/126 = 315/126
  5. After reducing the fraction, the answer is 5/2
  6. In mixed form: 21/2

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