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Subtract 49/25 from 42/70

1st number: 42/70, 2nd number: 1 24/25

42/70 - 49/25 is -34/25.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 70 × 5 = 350,
    42/70 = 42 × 5/70 × 5 = 210/350
  3. Likewise, for the 2nd fraction, since 25 × 14 = 350,
    49/25 = 49 × 14/25 × 14 = 686/350
  4. Subtract the two like fractions:
    210/350 - 686/350 = 210 - 686/350 = -476/350
  5. After reducing the fraction, the answer is -34/25

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