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Subtract 25/50 from 70/21

1st number: 3 7/21, 2nd number: 25/50

70/21 - 25/50 is 17/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    70/21 = 70 × 50/21 × 50 = 3500/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    25/50 = 25 × 21/50 × 21 = 525/1050
  4. Subtract the two fractions:
    3500/1050 - 525/1050 = 3500 - 525/1050 = 2975/1050
  5. After reducing the fraction, the answer is 17/6
  6. In mixed form: 25/6

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