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.

What is the common denominator of $$\frac{1}{2}$$ and $$\frac{1}{3}$$ ?

The common denominator of $$\frac{1}{2}$$ and $$\frac{1}{3}$$ is 6.

What is $$\frac{1}{2} + \frac{1}{3}$$ ?

$$\frac{1}{2} + \frac{1}{3} = \frac{3}{6} + \frac{2}{6} = \frac{5}{6}$$ .

What is $$\frac{3}{4} - \frac{1}{2}$$ ?

$$\frac{3}{4} - \frac{1}{2} = \frac{3}{4} - \frac{2}{4} = \frac{1}{4}$$ .

What is an improper fraction?

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as $$\frac{5}{4}$$ .

What is a mixed number?

A mixed number is a whole number combined with a proper fraction, such as $$1 \frac{1}{4}$$ .

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

To convert an improper fraction to a mixed number, divide the numerator by the denominator and write the remainder as a fraction.

What is $$\frac{8}{9} - \frac{1}{3}$$ ?

$$\frac{8}{9} - \frac{1}{3} = \frac{8}{9} - \frac{3}{9} = \frac{5}{9}$$ .

What is the first step in adding fractions?

The first step in adding fractions is to find a common denominator.

What is $$\frac{2}{5} + \frac{4}{3}$$ ?

$$\frac{2}{5} + \frac{4}{3} = \frac{6}{15} + \frac{20}{15} = \frac{26}{15}$$ .

What is the result of $$\frac{2}{3} - \frac{1}{6}$$ ?

$$\frac{2}{3} - \frac{1}{6} = \frac{4}{6} - \frac{1}{6} = \frac{3}{6} = \frac{1}{2}$$ .

adding and subtracting fractions Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

2.

FLASHCARD QUESTION

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number in a fraction and represents how many parts we have.

3.

FLASHCARD QUESTION

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number in a fraction and represents the total number of equal parts the whole is divided into.

4.

FLASHCARD QUESTION

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.

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

How do you subtract fractions with different denominators?

Back

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

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