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Subtract 10/7 from 10/30

1st number: 10/30, 2nd number: 1 3/7

10/30 - 10/7 is -23/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    10/30 = 10 × 7/30 × 7 = 70/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    10/7 = 10 × 30/7 × 30 = 300/210
  4. Subtract the two fractions:
    70/210 - 300/210 = 70 - 300/210 = -230/210
  5. After reducing the fraction, the answer is -23/21

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