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Add 25/45 and 4/63

25/45 + 4/63 is 13/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    25/45 = 25 × 7/45 × 7 = 175/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    4/63 = 4 × 5/63 × 5 = 20/315
  4. Add the two like fractions:
    175/315 + 20/315 = 175 + 20/315 = 195/315
  5. 195/315 simplified gives 13/21
  6. So, 25/45 + 4/63 = 13/21

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