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Add 30/63 and 3/7

30/63 + 3/7 is 19/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 7 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 63 × 1 = 63,
    30/63 = 30 × 1/63 × 1 = 30/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    3/7 = 3 × 9/7 × 9 = 27/63
  4. Add the two like fractions:
    30/63 + 27/63 = 30 + 27/63 = 57/63
  5. 57/63 simplified gives 19/21
  6. So, 30/63 + 3/7 = 19/21

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