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Subtract 84/20 from 7/70

1st number: 7/70, 2nd number: 4 4/20

7/70 - 84/20 is -41/10.

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,
    7/70 = 7 × 2/70 × 2 = 14/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    84/20 = 84 × 7/20 × 7 = 588/140
  4. Subtract the two fractions:
    14/140 - 588/140 = 14 - 588/140 = -574/140
  5. After reducing the fraction, the answer is -41/10

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