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Subtract 70/36 from 21/5

1st number: 4 1/5, 2nd number: 1 34/36

21/5 - 70/36 is 203/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 5 × 36 = 180,
    21/5 = 21 × 36/5 × 36 = 756/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    70/36 = 70 × 5/36 × 5 = 350/180
  4. Subtract the two like fractions:
    756/180 - 350/180 = 756 - 350/180 = 406/180
  5. After reducing the fraction, the answer is 203/90
  6. In mixed form: 223/90

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