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Subtract 35/9 from 28/70

1st number: 28/70, 2nd number: 3 8/9

28/70 - 35/9 is -157/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    28/70 = 28 × 9/70 × 9 = 252/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    35/9 = 35 × 70/9 × 70 = 2450/630
  4. Subtract the two fractions:
    252/630 - 2450/630 = 252 - 2450/630 = -2198/630
  5. After reducing the fraction, the answer is -157/45

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