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Subtract 60/20 from 10/70

1st number: 10/70, 2nd number: 3 0/20

10/70 - 60/20 is -20/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    10/70 = 10 × 2/70 × 2 = 20/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    60/20 = 60 × 7/20 × 7 = 420/140
  4. Subtract the two fractions:
    20/140 - 420/140 = 20 - 420/140 = -400/140
  5. After reducing the fraction, the answer is -20/7

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