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Add 9/42 and 63/8

1st number: 9/42, 2nd number: 7 7/8

9/42 + 63/8 is 453/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    9/42 = 9 × 4/42 × 4 = 36/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    63/8 = 63 × 21/8 × 21 = 1323/168
  4. Add the two fractions:
    36/168 + 1323/168 = 36 + 1323/168 = 1359/168
  5. After reducing the fraction, the answer is 453/56
  6. In mixed form: 85/56

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