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Add 9/40 and 4/63

9/40 + 4/63 is 727/2520.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    9/40 = 9 × 63/40 × 63 = 567/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    4/63 = 4 × 40/63 × 40 = 160/2520
  4. Add the two fractions:
    567/2520 + 160/2520 = 567 + 160/2520 = 727/2520

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