Addition and Subtraction Fraction review

Front

What is the process of adding fractions with different denominators?

Back

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

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then subtract the numerators while keeping the common denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the least common denominator (LCD), list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

What is the first step in adding or subtracting fractions?

Back

The first step is to determine if the fractions have the same denominator. If not, find a common denominator.

Front

What is the formula for adding two fractions?

Back

The formula for adding two fractions a/b and c/d is (a*d + b*c) / (b*d).

Front

What is the formula for subtracting two fractions?

Back

The formula for subtracting two fractions a/b and c/d is (a*d - b*c) / (b*d).

Front

What is the importance of simplifying fractions?

Back

Simplifying fractions makes them easier to understand and work with, and it is often required in final answers.

Front

How do you simplify a fraction?

Back

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

Front

What is an improper fraction?

Back

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