A fraction represents a part of a whole and is written as $$\frac{a}{b}$$ , where 'a' is the numerator and 'b' is the denominator.

How do you add $$\frac{1}{4}$$ and $$\frac{1}{2}$$ ?

Convert $$\frac{1}{2}$$ to $$\frac{2}{4}$$ , then add: $$\frac{1}{4} + \frac{2}{4} = \frac{3}{4}$$ .

How do you subtract fractions with different denominators?

Find a common denominator, convert the fractions, then subtract the numerators.

If there are 75 students and 35 are girls, what fraction represents the boys?

$$\frac{40}{75} = \frac{8}{15}$$ .

What does it mean to simplify a fraction?

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

What is the sum of $$\frac{1}{3}$$ and $$\frac{1}{6}$$ ?

Convert $$\frac{1}{3}$$ to $$\frac{2}{6}$$ , then add: $$\frac{2}{6} + \frac{1}{6} = \frac{3}{6} = \frac{1}{2}$$ .

What is the difference between proper and improper fractions?

A proper fraction has a numerator smaller than the denominator, while an improper fraction has a numerator larger than or equal to the denominator.

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

Divide the numerator by the denominator to get the whole number, and the remainder becomes the new numerator.

What is the result of $$\frac{5}{8} + \frac{1}{4}$$ ?

Convert $$\frac{1}{4}$$ to $$\frac{2}{8}$$ , then add: $$\frac{5}{8} + \frac{2}{8} = \frac{7}{8}$$ .

Adding and Subtracting Fractions Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What must you have in order to add and subtract fractions?

Back

Common denominators.

2.

FLASHCARD QUESTION

Front

What is a fraction?

Back

3.

FLASHCARD QUESTION

Front

How do you find a common denominator for two fractions?

Back

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

4.

FLASHCARD QUESTION

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator.

5.

FLASHCARD QUESTION

Front

Back

The common denominator is 4.

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

Back

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