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Subtract 42/10 from 3/70

1st number: 3/70, 2nd number: 4 2/10

3/70 - 42/10 is -291/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    3/70 = 3 × 1/70 × 1 = 3/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    42/10 = 42 × 7/10 × 7 = 294/70
  4. Subtract the two like fractions:
    3/70 - 294/70 = 3 - 294/70 = -291/70

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