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Add 27/30 and 20/63

27/30 + 20/63 is 767/630.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    27/30 = 27 × 21/30 × 21 = 567/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    20/63 = 20 × 10/63 × 10 = 200/630
  4. Add the two like fractions:
    567/630 + 200/630 = 567 + 200/630 = 767/630
  5. So, 27/30 + 20/63 = 767/630
    In mixed form: 1137/630

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