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Subtract 70/90 from 10/4

1st number: 2 2/4, 2nd number: 70/90

10/4 - 70/90 is 31/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    10/4 = 10 × 45/4 × 45 = 450/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    70/90 = 70 × 2/90 × 2 = 140/180
  4. Subtract the two like fractions:
    450/180 - 140/180 = 450 - 140/180 = 310/180
  5. After reducing the fraction, the answer is 31/18
  6. In mixed form: 113/18

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