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Subtract 42/70 from 84/25

1st number: 3 9/25, 2nd number: 42/70

84/25 - 42/70 is 69/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 70 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 25 × 14 = 350,
    84/25 = 84 × 14/25 × 14 = 1176/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    42/70 = 42 × 5/70 × 5 = 210/350
  4. Subtract the two like fractions:
    1176/350 - 210/350 = 1176 - 210/350 = 966/350
  5. After reducing the fraction, the answer is 69/25
  6. In mixed form: 219/25

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