Add and Subtract Fractions with Unlike Denominators

Front

What is the process for adding fractions with unlike denominators?

Back

1. Find the least common denominator (LCD) of the fractions. 2. Convert each fraction to an equivalent fraction with the LCD. 3. Add the numerators of the converted fractions. 4. Simplify the resulting fraction if possible.

Front

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

Back

To find the LCD of two fractions, identify the least common multiple (LCM) of the denominators.

Front

What is the least common denominator for the fractions 3/4 and 1/6?

Back

The least common denominator for 3 and 4 is 12.

Front

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

Back

The first step is to find the least common denominator (LCD) of the fractions.

Front

How do you subtract fractions with unlike denominators?

Back

1. Find the least common denominator (LCD). 2. Convert each fraction to an equivalent fraction with the LCD. 3. Subtract the numerators of the converted fractions. 4. Simplify the resulting fraction if possible.

Front

What is the result of 3 1/6 - 1 1/3?

Back

The result is 1 5/6.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Front

What is an improper fraction?

Back

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

Front

How can you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the importance of simplifying fractions?

Back

Simplifying fractions makes them easier to understand and work with, and it can help in finding equivalent fractions.