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Subtract 75/30 from 70/7

1st number: 10 0/7, 2nd number: 2 15/30

70/7 - 75/30 is 15/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210
  2. For the 1st fraction, since 7 × 30 = 210,
    70/7 = 70 × 30/7 × 30 = 2100/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    75/30 = 75 × 7/30 × 7 = 525/210
  4. Subtract the two fractions:
    2100/210 - 525/210 = 2100 - 525/210 = 1575/210
  5. After reducing the fraction, the answer is 15/2
  6. In mixed form: 71/2

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