0

# When is a common denominator needed and when is one not needed?

Updated: 9/17/2023

Wiki User

12y ago

A common denominator is required to add or subtract fractions and not otherwise.

Wiki User

12y ago

Earn +20 pts
Q: When is a common denominator needed and when is one not needed?
Submit
Still have questions?
Related questions

### What is the least common denominator for 49 over 64?

At least one other fraction is needed to determine a common denominator.

### Why do you have to have a common denominator?

A common denominator is needed when adding or subtracting fractions of different denominators.

### What is the common denominator for 5 over 3?

At least two fractions are needed to determine a common denominator.

### Do you need a common denominator for dividing fractions?

No only when adding or subtracting fractions a common denominator is needed

### What is the common denominator of 2 over 8 and 3 over 6?

The lowest common denominator needed is 24

### What is the common denominator of 1198?

Two or more numbers are needed to find their lowest common denominator which is the same as their lowest common multiple.

### What is the common denominator of 8 and 10?

A common denominator, though not the least, is 80.

### What is a common denominator of fractions 34 and 58?

If you mean fractions of 3/4 and 5/8 then the lowest common denominator needed is 8

### What is the common denominator of five at 11?

A common denominator, though not the least one, is 110.

### What is Greatest common denominator of 292?

To have a common denominator, you usually have two or more numbers. By listing only one number then it is its own common denominator.

### What is the common denominator of 6?

The common denominator refers to a denominator that is COMMON to two or more numbers. You have only one number in the question! 6 = 6/1 so the denominator is 1.

### Where is a denominator used?

Many places, but a common one is in adding fractions where we find a common denominator.