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Subtract 9/10 from 70/4

1st number: 17 2/4, 2nd number: 9/10

70/4 - 9/10 is 83/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    70/4 = 70 × 5/4 × 5 = 350/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    9/10 = 9 × 2/10 × 2 = 18/20
  4. Subtract the two like fractions:
    350/20 - 18/20 = 350 - 18/20 = 332/20
  5. After reducing the fraction, the answer is 83/5
  6. In mixed form: 163/5

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