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Add 8/42 and 12/63

8/42 + 12/63 is 8/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    8/42 = 8 × 3/42 × 3 = 24/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    12/63 = 12 × 2/63 × 2 = 24/126
  4. Add the two like fractions:
    24/126 + 24/126 = 24 + 24/126 = 48/126
  5. 48/126 simplified gives 8/21
  6. So, 8/42 + 12/63 = 8/21

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