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Add 15/24 and 40/63

15/24 + 40/63 is 635/504.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 24 × 21 = 504,
    15/24 = 15 × 21/24 × 21 = 315/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    40/63 = 40 × 8/63 × 8 = 320/504
  4. Add the two like fractions:
    315/504 + 320/504 = 315 + 320/504 = 635/504
  5. So, 15/24 + 40/63 = 635/504
    In mixed form: 1131/504

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