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Add 8/63 and 54/70

8/63 + 54/70 is 283/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 70 is 630
  2. For the 1st fraction, since 63 × 10 = 630,
    8/63 = 8 × 10/63 × 10 = 80/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    54/70 = 54 × 9/70 × 9 = 486/630
  4. Add the two fractions:
    80/630 + 486/630 = 80 + 486/630 = 566/630
  5. After reducing the fraction, the answer is 283/315

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