Bridges Unit 2: Addition and Subtraction of 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 (the number of parts) and 'b' is the denominator (the total number of equal parts).

Front

How do you add fractions with different denominators?

Back

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

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share, used to add or subtract fractions.

Front

What is the process to subtract fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators and keep the denominator the same.

Front

What is the result of adding 2/5 and 1/10?

Back

1/2.

Front

If 5/8 - ?/8 = 1/8, what is the missing numerator?

Back

4.

Front

Evelyn has 7/8 of a pizza and shares 3/4 of it. How much is left?

Back

1/8.

Front

What is the missing denominator in 2/3 + 1/? = 5/6?

Back

6.

Front

If 3/5 + ?/5 = 4/5, what is the missing numerator?

Back

1.

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.