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Add 5/8 and 18/63

5/8 + 18/63 is 51/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    5/8 = 5 × 63/8 × 63 = 315/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    18/63 = 18 × 8/63 × 8 = 144/504
  4. Add the two like fractions:
    315/504 + 144/504 = 315 + 144/504 = 459/504
  5. 459/504 simplified gives 51/56
  6. So, 5/8 + 18/63 = 51/56

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