adding/subtracting fractions with unlike denominators

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).

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value or proportion of a whole.

Front

How do you find a common denominator for fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.

Front

How do you add fractions with unlike denominators?

Back

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

Front

What is the first step in subtracting fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Front

Solve: 1/2 + 1/3

Back

The answer is 5/6 after finding a common denominator of 6.

Front

Solve: 3/4 - 1/2

Back

The answer is 1/4 after finding a common denominator of 4.

Front

What is the formula for adding fractions?

Back

The formula is: (a/b) + (c/d) = (ad + bc) / (bd), where a/b and c/d are the fractions.