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Subtract 18/70 from 70/18

1st number: 3 16/18, 2nd number: 18/70

70/18 - 18/70 is 1144/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    70/18 = 70 × 35/18 × 35 = 2450/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    18/70 = 18 × 9/70 × 9 = 162/630
  4. Subtract the two like fractions:
    2450/630 - 162/630 = 2450 - 162/630 = 2288/630
  5. After reducing the fraction, the answer is 1144/315
  6. In mixed form: 3199/315

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