# What is 22/28-18/23?

How much is 2228 minus 1823. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 1322
• 0.0031 (rounded to 4 decimals)

## Step by step solution

Subtract

2228 - 1823 = 2644

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

Multiples of 28 are   28, 56, 84, 112, 140, 168, ..., 644 ....etc

Multiples of 23 are   23, 46, 69, 92, 115, 138, 161, ..., 644 ...etc

The LCM of 28 and 23 is 644. So, the common denominator of 2228 and 1823 is 644. Now change the fractions into equivalent fractions with common denominator

• 2228 - 1823
• 22 * 2328 * 23 - 18 * 2823 * 28
• 506644 - 504644
2. ### Subtract

• 506644 - 504644
• 506 - 504644
• 2644

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

Simplify

• 2644
• 1322
1. ### Reduce fraction to its lowest terms

• 2644
• 2 ÷ 2644 ÷ 2
• 1322

The greatest common divisor of 2 and 644 is 2, the fraction 2644 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.