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Subtract 70/30 from 7/70

1st number: 7/70, 2nd number: 2 10/30

7/70 - 70/30 is -67/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    7/70 = 7 × 3/70 × 3 = 21/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    70/30 = 70 × 7/30 × 7 = 490/210
  4. Subtract the two like fractions:
    21/210 - 490/210 = 21 - 490/210 = -469/210
  5. After reducing the fraction, the answer is -67/30

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