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Subtract 20/50 from 75/70

1st number: 1 5/70, 2nd number: 20/50

75/70 - 20/50 is 47/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 50 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 70 × 5 = 350,
    75/70 = 75 × 5/70 × 5 = 375/350
  3. Likewise, for the 2nd fraction, since 50 × 7 = 350,
    20/50 = 20 × 7/50 × 7 = 140/350
  4. Subtract the two like fractions:
    375/350 - 140/350 = 375 - 140/350 = 235/350
  5. After reducing the fraction, the answer is 47/70

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