5th Grade - Adding & Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the least common denominator of 1/3 and 1/4?

Back

The least common denominator of 1/3 and 1/4 is 12.

Front

What do you need to add or subtract fractions?

Back

You need common denominators to add or subtract fractions.

Front

What is 3/5 + 2/7?

Back

3/5 + 2/7 = 31/35.

Front

What is the first step in adding fractions?

Back

Find a common denominator for the fractions.

Front

What is the second step in adding fractions?

Back

Convert the fractions to equivalent fractions with the common denominator.

Front

What is 7/8 - 1/4?

Back

7/8 - 1/4 = 5/8.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.