# What is 23/10-12/11?

How much is 2310 minus 1211. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 133110
• 1 23110
• 1.2091 (rounded to 4 decimals)

## Step by step solution

Subtract

2310 - 1211 = 133110

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

Multiples of 10 are   10, 20, 30, 40, 50, 60, 70, ..., 110 ....etc

Multiples of 11 are   11, 22, 33, 44, 55, 66, 77, ..., 110 ...etc

The LCM of 10 and 11 is 110. So, the common denominator of 2310 and 1211 is 110. Now change the fractions into equivalent fractions with common denominator

• 2310 - 1211
• 23 * 1110 * 11 - 12 * 1011 * 10
• 253110 - 120110
2. ### Subtract

• 253110 - 120110
• 253 - 120110
• 133110

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

Simplify

• 133110
• 1 23110
1. ### Reduce fraction to its lowest terms

The greatest common divisor of 133 and 110 is 1, the fraction 133110 cannot be further simplified or reduced to lowest terms

2. ### Convert improper fraction 133110 to mixed number

• 133110
• 1 23110

133 divided by 110 is 1 with a remainder of 23