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Subtract 90/10 from 60/70

1st number: 60/70, 2nd number: 9 0/10

60/70 - 90/10 is -57/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70
  2. For the 1st fraction, since 70 × 1 = 70,
    60/70 = 60 × 1/70 × 1 = 60/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    90/10 = 90 × 7/10 × 7 = 630/70
  4. Subtract the two fractions:
    60/70 - 630/70 = 60 - 630/70 = -570/70
  5. After reducing the fraction, the answer is -57/7

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