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Subtract 18/70 from 70/30

1st number: 2 10/30, 2nd number: 18/70

70/30 - 18/70 is 218/105.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    70/30 = 70 × 7/30 × 7 = 490/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    18/70 = 18 × 3/70 × 3 = 54/210
  4. Subtract the two like fractions:
    490/210 - 54/210 = 490 - 54/210 = 436/210
  5. After reducing the fraction, the answer is 218/105
  6. In mixed form: 28/105

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