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Subtract 10/63 from 50/72

50/72 - 10/63 is 15/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    50/72 = 50 × 7/72 × 7 = 350/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    10/63 = 10 × 8/63 × 8 = 80/504
  4. Subtract the two like fractions:
    350/504 - 80/504 = 350 - 80/504 = 270/504
  5. After reducing the fraction, the answer is 15/28

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