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Add 3/14 and 21/63

3/14 + 21/63 is 23/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    3/14 = 3 × 9/14 × 9 = 27/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    21/63 = 21 × 2/63 × 2 = 42/126
  4. Add the two like fractions:
    27/126 + 42/126 = 27 + 42/126 = 69/126
  5. 69/126 simplified gives 23/42
  6. So, 3/14 + 21/63 = 23/42

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