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

$$\frac{5}{6}$$ . (Find a common denominator of 6: $$\frac{3}{6} + \frac{2}{6} = \frac{5}{6}$$ .)

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

$$\frac{1}{4}$$ . (Convert $$\frac{1}{2}$$ to $$\frac{2}{4}$$ : $$\frac{3}{4} - \frac{2}{4} = \frac{1}{4}$$ .)

What is $$\frac{5}{6} - \frac{1}{3}$$ ?

$$\frac{1}{2}$$ . (Convert $$\frac{1}{3}$$ to $$\frac{2}{6}$$ : $$\frac{5}{6} - \frac{2}{6} = \frac{3}{6} = \frac{1}{2}$$ .)

What is a mixed number?

A mixed number is a whole number combined with a fraction, such as $$5 \frac{1}{2}$$ .

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

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

What is the process for adding mixed numbers?

Convert mixed numbers to improper fractions, find a common denominator, add the fractions, and convert back to a mixed number if necessary.

What is the process for subtracting mixed numbers?

Convert mixed numbers to improper fractions, find a common denominator, subtract the fractions, and convert back to a mixed number if necessary.

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 is the numerator in a fraction?

Back

The numerator is the top part of a fraction that indicates how many parts of the whole are being considered.

3.

FLASHCARD QUESTION

Front

What is the denominator in a fraction?

Back

The denominator is the bottom part of a fraction that indicates the total number of equal parts the whole is divided into.

4.

FLASHCARD QUESTION

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. To add fractions, they must have a common denominator.

5.

FLASHCARD QUESTION

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves taking away parts represented by one fraction from another. Like addition, they must have a common denominator.

6.

FLASHCARD QUESTION

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

7.

FLASHCARD QUESTION

Front

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

Back

The least common denominator is the smallest multiple that both denominators can divide into without a remainder.

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