# What is 4/19-8/1?

How much is 419 minus 81. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• - 14819
• - 7 1519
• 7.7895 (rounded to 4 decimals)

## Step by step solution

Subtract

419 - 81 = - 14819

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

Multiples of 19 are   19 ....etc

Multiples of 1 are   1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ..., 19 ...etc

The LCM of 19 and 1 is 19. So, the common denominator of 419 and 81 is 19. Now change the fractions into equivalent fractions with common denominator

• 419 - 81
• 4 * 119 * 1 - 8 * 191 * 19
• 419 - 15219
2. ### Subtract

• 419 - 15219
• 4 - 15219
• - 14819

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

Simplify

• - 14819
• - 7 1519
1. ### Reduce fraction to its lowest terms

The greatest common divisor of 148 and 19 is 1, the fraction - 14819 cannot be further simplified or reduced to lowest terms

2. ### Convert improper fraction - 14819 to mixed number

• - 14819
• - 7 1519

148 divided by 19 is 7 with a remainder of 15