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Subtract 2/70 from 98/30

1st number: 3 8/30, 2nd number: 2/70

98/30 - 2/70 is 68/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    98/30 = 98 × 7/30 × 7 = 686/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    2/70 = 2 × 3/70 × 3 = 6/210
  4. Subtract the two fractions:
    686/210 - 6/210 = 686 - 6/210 = 680/210
  5. After reducing the fraction, the answer is 68/21
  6. In mixed form: 35/21

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