# 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.