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Add 10/70 and 63/90

10/70 + 63/90 is 59/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    10/70 = 10 × 9/70 × 9 = 90/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    63/90 = 63 × 7/90 × 7 = 441/630
  4. Add the two fractions:
    90/630 + 441/630 = 90 + 441/630 = 531/630
  5. After reducing the fraction, the answer is 59/70

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