# What is 18/1-4/22?

How much is 181 minus 422. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 19611
• 17 911
• 17.8182 (rounded to 4 decimals)

## Step by step solution

Subtract

181 - 422 = 39222

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

Multiples of 1 are   1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ..., 22 ....etc

Multiples of 22 are   22 ...etc

The LCM of 1 and 22 is 22. So, the common denominator of 181 and 422 is 22. Now change the fractions into equivalent fractions with common denominator

• 181 - 422
• 18 * 221 * 22 - 4 * 122 * 1
• 39622 - 422
2. ### Subtract

• 39622 - 422
• 396 - 422
• 39222

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

Simplify

• 39222
• 19611
• 17 911
1. ### Reduce fraction to its lowest terms

• 39222
• 392 ÷ 222 ÷ 2
• 19611

The greatest common divisor of 392 and 22 is 2, the fraction 39222 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.

2. ### Convert improper fraction 19611 to mixed number

• 19611
• 17 911

196 divided by 11 is 17 with a remainder of 9