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Subtract 6/72 from 50/42

1st number: 1 8/42, 2nd number: 6/72

50/42 - 6/72 is 31/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    50/42 = 50 × 12/42 × 12 = 600/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    6/72 = 6 × 7/72 × 7 = 42/504
  4. Subtract the two like fractions:
    600/504 - 42/504 = 600 - 42/504 = 558/504
  5. After reducing the fraction, the answer is 31/28
  6. In mixed form: 13/28

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