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Add 4/42 and 7/63

4/42 + 7/63 is 13/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 63 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    4/42 = 4 × 3/42 × 3 = 12/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    7/63 = 7 × 2/63 × 2 = 14/126
  4. Add the two fractions:
    12/126 + 14/126 = 12 + 14/126 = 26/126
  5. 26/126 simplified gives 13/63
  6. So, 4/42 + 7/63 = 13/63

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