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Add 8/18 and 27/70

8/18 + 27/70 is 523/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630
  2. For the 1st fraction, since 18 × 35 = 630,
    8/18 = 8 × 35/18 × 35 = 280/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    27/70 = 27 × 9/70 × 9 = 243/630
  4. Add the two fractions:
    280/630 + 243/630 = 280 + 243/630 = 523/630

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