What is 8/9-5/5?

How much is 89 minus 55. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 19
  • 0.1111 (rounded to 4 decimals)

Step by step solution

Subtract

89 - 55 = - 545

  1. Find common denominator by finding the Least Common Multiple(LCM)

    Multiples of 9 are   9, 18, 27, 36, 45 ....etc

    Multiples of 5 are   5, 10, 15, 20, 25, 30, 35, 40, 45 ...etc

    The LCM of 9 and 5 is 45. So, the common denominator of 89 and 55 is 45. Now change the fractions into equivalent fractions with common denominator

    • 89 - 55
    • 8 * 59 * 5 - 5 * 95 * 9
    • 4045 - 4545
  2. Subtract

    • 4045 - 4545
    • 40 - 4545
    • - 545

    Subtract the numerators and place the difference over the common denominator.

Simplify

  • - 545
  • - 19
  1. Reduce fraction to its lowest terms

    • - 545
    • - 5 ÷ 545 ÷ 5
    • - 19

    The greatest common divisor of 5 and 45 is 5, the fraction - 545 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 5.