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Add 30/63 and 21/30

30/63 + 21/30 is 247/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 30 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    30/63 = 30 × 10/63 × 10 = 300/630
  3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
    21/30 = 21 × 21/30 × 21 = 441/630
  4. Add the two like fractions:
    300/630 + 441/630 = 300 + 441/630 = 741/630
  5. 741/630 simplified gives 247/210
  6. So, 30/63 + 21/30 = 247/210
    In mixed form: 137/210

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