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Add 7/21 and 63/42

1st number: 7/21, 2nd number: 1 21/42

7/21 + 63/42 is 11/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    7/21 = 7 × 2/21 × 2 = 14/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    63/42 = 63 × 1/42 × 1 = 63/42
  4. Add the two like fractions:
    14/42 + 63/42 = 14 + 63/42 = 77/42
  5. 77/42 simplified gives 11/6
  6. So, 7/21 + 63/42 = 11/6
    In mixed form: 15/6

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