What is the sum of $$\frac{4}{8}$$ , $$\frac{2}{8}$$ , and $$\frac{1}{8}$$ ?

The sum is $$\frac{4}{8} + \frac{2}{8} + \frac{1}{8} = \frac{7}{8}$$ .

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number). For example, in $$\frac{3}{4}$$ , 3 is the numerator and 4 is the denominator.

How do you simplify a fraction?

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD). For example, $$\frac{4}{8}$$ simplifies to $$\frac{1}{2}$$ by dividing both by 4.

What is the sum of two fractions with the same denominator?

To add two fractions with the same denominator, add the numerators and keep the denominator the same. For example, $$\frac{2}{5} + \frac{1}{5} = \frac{3}{5}$$ .

What is a whole number?

A whole number is a number without fractions or decimals. Whole numbers include 0, 1, 2, 3, and so on.

How do you subtract fractions?

To subtract fractions, make sure they have the same denominator. Then, subtract the numerators and keep the denominator the same. For example, $$\frac{5}{8} - \frac{2}{8} = \frac{3}{8}$$ .

What is a mixed number?

A mixed number is a whole number combined with a fraction. For example, $$2 \frac{1}{2}$$ is a mixed number, where 2 is the whole number and $$\frac{1}{2}$$ is the fraction.

What is the least common multiple (LCM)?

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers. For example, the LCM of 4 and 6 is 12.

How do you find the common denominator for adding fractions?

To find a common denominator, determine the least common multiple (LCM) of the denominators. Use this common denominator to rewrite the fractions before adding.

Unit 4A Practice Test Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is an equivalent fraction?

Back

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

2.

FLASHCARD QUESTION

Front

How do you find the remaining amount after using a fraction of a whole?

Back

Tags

CCSS.7.NS.A.3

3.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4.

FLASHCARD QUESTION

Front

How do you add mixed numbers?

Back

Tags

CCSS.7.NS.A.1C

5.

FLASHCARD QUESTION

Front

What does it mean to cut something into equal pieces?

Back

Tags

CCSS.1.G.A.3

6.

FLASHCARD QUESTION

Front

How can you represent repeated addition using fractions?

Back

Tags

CCSS.5.NF.B.6

7.

FLASHCARD QUESTION

Front

What is the process to convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator over the original denominator.

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