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Subtract 70/84 from 60/20

1st number: 3 0/20, 2nd number: 70/84

60/20 - 70/84 is 13/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    60/20 = 60 × 21/20 × 21 = 1260/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  4. Subtract the two fractions:
    1260/420 - 350/420 = 1260 - 350/420 = 910/420
  5. After reducing the fraction, the answer is 13/6
  6. In mixed form: 21/6

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