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Add 7/30 and 27/63

7/30 + 27/63 is 139/210.

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,
    7/30 = 7 × 21/30 × 21 = 147/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    27/63 = 27 × 10/63 × 10 = 270/630
  4. Add the two like fractions:
    147/630 + 270/630 = 147 + 270/630 = 417/630
  5. 417/630 simplified gives 139/210
  6. So, 7/30 + 27/63 = 139/210

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