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Add 1/63 and 4/45

1/63 + 4/45 is 11/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315
  2. For the 1st fraction, since 63 × 5 = 315,
    1/63 = 1 × 5/63 × 5 = 5/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    4/45 = 4 × 7/45 × 7 = 28/315
  4. Add the two fractions:
    5/315 + 28/315 = 5 + 28/315 = 33/315
  5. After reducing the fraction, the answer is 11/105

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