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Subtract 30/70 from 70/28

1st number: 2 14/28, 2nd number: 30/70

70/28 - 30/70 is 29/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    70/28 = 70 × 5/28 × 5 = 350/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    30/70 = 30 × 2/70 × 2 = 60/140
  4. Subtract the two like fractions:
    350/140 - 60/140 = 350 - 60/140 = 290/140
  5. After reducing the fraction, the answer is 29/14
  6. In mixed form: 21/14

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