Fraction Operations

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a ratio of two integers, where the numerator is the part and the denominator is the whole.

Front

What does it mean to add fractions with different denominators?

Back

To add fractions with different denominators, you must first find a common denominator, convert the fractions, and then add the numerators.

Front

How do you subtract a negative fraction from a positive fraction?

Back

Subtracting a negative fraction is the same as adding its positive equivalent. For example, 7/8 - (-2/5) becomes 7/8 + 2/5.

Front

What is the process for simplifying a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the result of 3 + (-5/7)?

Back

The result is 2 2/7.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. For example, (a/b) * (c/d) = (a*c)/(b*d).

Front

What is the result of 8/21 + (-10/21)?

Back

The result is -2/21.

Front

What is the result of multiplying 5/6 by a negative fraction?

Back

The result will be negative. For example, multiplying 5/6 by -1 gives -5/6.

Front

What is the result of 7/8 - (-2/5)?

Back

The result is 51/40.

Front

What does it mean to find a common denominator?

Back

Finding a common denominator means identifying a shared multiple of the denominators of two or more fractions to facilitate addition or subtraction.