Adding and subtracting fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What does it mean to find a common denominator?

Back

Finding a common denominator means identifying a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

Front

What is the first step in adding ⅘ + ½?

Back

The first step is to find a common denominator.

Front

What is the sum of ⅘ + ½?

Back

The sum is 17/20.

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator, convert them if necessary, and then subtract the numerators.

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Front

Can you add fractions with different denominators directly?

Back

No, you cannot add fractions with different denominators without finding a common denominator first.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.