# What is 22/27-6/20?

How much is 2227 minus 620. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 139270
• 0.5148 (rounded to 4 decimals)

## Step by step solution

Subtract

2227 - 620 = 278540

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

Multiples of 27 are   27, 54, 81, 108, 135, 162, ..., 540 ....etc

Multiples of 20 are   20, 40, 60, 80, 100, 120, 140, ..., 540 ...etc

The LCM of 27 and 20 is 540. So, the common denominator of 2227 and 620 is 540. Now change the fractions into equivalent fractions with common denominator

• 2227 - 620
• 22 * 2027 * 20 - 6 * 2720 * 27
• 440540 - 162540
2. ### Subtract

• 440540 - 162540
• 440 - 162540
• 278540

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

Simplify

• 278540
• 139270
1. ### Reduce fraction to its lowest terms

• 278540
• 278 ÷ 2540 ÷ 2
• 139270

The greatest common divisor of 278 and 540 is 2, the fraction 278540 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.