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Add 5/7 and 4/45

5/7 + 4/45 is 253/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315
  2. For the 1st fraction, since 7 × 45 = 315,
    5/7 = 5 × 45/7 × 45 = 225/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    4/45 = 4 × 7/45 × 7 = 28/315
  4. Add the two fractions:
    225/315 + 28/315 = 225 + 28/315 = 253/315

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