142/5 minus 87/6

142/5 − 87/6
=
139 10
Mixed Number: 13 9/10
Decimal: 13.9
Percentage: 1390%

Step-by-Step Solution

  1. 1
    Find LCM of denominators
    LCM(5, 6) = 30
  2. 2
    Convert to common denominator
    142/5 = 852/30    87/6 = 435/30
  3. 3
    Subtract numerators
    852 − 435 = 417/30
  4. 4
    Simplify
    417/30 = 139/10

How to Subtract Fractions

Subtracting fractions follows the same process as addition. First find the LCM of the denominators, convert both fractions, then subtract the second numerator from the first. Simplify the answer.

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