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Subtract 21/90 from 36/10

1st number: 3 6/10, 2nd number: 21/90

36/10 - 21/90 is 101/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    36/10 = 36 × 9/10 × 9 = 324/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  4. Subtract the two like fractions:
    324/90 - 21/90 = 324 - 21/90 = 303/90
  5. After reducing the fraction, the answer is 101/30
  6. In mixed form: 311/30

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