# What is 4/27-13/7?

How much is 427 minus 137. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• - 323189
• - 1 134189
• 1.709 (rounded to 4 decimals)

## Step by step solution

Subtract

427 - 137 = - 323189

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

Multiples of 27 are   27, 54, 81, 108, 135, 162, 189 ....etc

Multiples of 7 are   7, 14, 21, 28, 35, 42, 49, 56, ..., 189 ...etc

The LCM of 27 and 7 is 189. So, the common denominator of 427 and 137 is 189. Now change the fractions into equivalent fractions with common denominator

• 427 - 137
• 4 * 727 * 7 - 13 * 277 * 27
• 28189 - 351189
2. ### Subtract

• 28189 - 351189
• 28 - 351189
• - 323189

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

Simplify

• - 323189
• - 1 134189
1. ### Reduce fraction to its lowest terms

The greatest common divisor of 323 and 189 is 1, the fraction - 323189 cannot be further simplified or reduced to lowest terms

2. ### Convert improper fraction - 323189 to mixed number

• - 323189
• - 1 134189

323 divided by 189 is 1 with a remainder of 134