# What is 12/9-6/25?

How much is 129 minus 625. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 8275
• 1 775
• 1.0933 (rounded to 4 decimals)

## Step by step solution

Subtract

129 - 625 = 246225

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

Multiples of 9 are   9, 18, 27, 36, 45, 54, 63, 72, ..., 225 ....etc

Multiples of 25 are   25, 50, 75, 100, 125, 150, ..., 225 ...etc

The LCM of 9 and 25 is 225. So, the common denominator of 129 and 625 is 225. Now change the fractions into equivalent fractions with common denominator

• 129 - 625
• 12 * 259 * 25 - 6 * 925 * 9
• 300225 - 54225
2. ### Subtract

• 300225 - 54225
• 300 - 54225
• 246225

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

Simplify

• 246225
• 8275
• 1 775
1. ### Reduce fraction to its lowest terms

• 246225
• 246 ÷ 3225 ÷ 3
• 8275

The greatest common divisor of 246 and 225 is 3, the fraction 246225 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 3.

2. ### Convert improper fraction 8275 to mixed number

• 8275
• 1 775

82 divided by 75 is 1 with a remainder of 7