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Add 4/14 and 21/45

4/14 + 21/45 is 79/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 45 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    4/14 = 4 × 45/14 × 45 = 180/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    21/45 = 21 × 14/45 × 14 = 294/630
  4. Add the two fractions:
    180/630 + 294/630 = 180 + 294/630 = 474/630
  5. After reducing the fraction, the answer is 79/105

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