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Add 12/14 and 1/90

12/14 + 1/90 is 547/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    12/14 = 12 × 45/14 × 45 = 540/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Add the two fractions:
    540/630 + 7/630 = 540 + 7/630 = 547/630

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