# What is 8/19-12/30?

How much is 819 minus 1230. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 295
• 0.0211 (rounded to 4 decimals)

## Step by step solution

Subtract

819 - 1230 = 12570

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

Multiples of 19 are   19, 38, 57, 76, 95, 114, 133, ..., 570 ....etc

Multiples of 30 are   30, 60, 90, 120, 150, 180, ..., 570 ...etc

The LCM of 19 and 30 is 570. So, the common denominator of 819 and 1230 is 570. Now change the fractions into equivalent fractions with common denominator

• 819 - 1230
• 8 * 3019 * 30 - 12 * 1930 * 19
• 240570 - 228570
2. ### Subtract

• 240570 - 228570
• 240 - 228570
• 12570

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

Simplify

• 12570
• 295
1. ### Reduce fraction to its lowest terms

• 12570
• 12 ÷ 6570 ÷ 6
• 295

The greatest common divisor of 12 and 570 is 6, the fraction 12570 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 6.