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

What is the result of $$\frac{2}{10} + \frac{3}{10}$$ ?

$$\frac{2}{10} + \frac{3}{10} = \frac{5}{10} = \frac{1}{2}$$ .

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

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

What is the result of $$\frac{3}{8} + \frac{5}{8}$$ ?

$$\frac{3}{8} + \frac{5}{8} = \frac{8}{8} = 1 \text{ Whole}$$ .

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. The quotient is the whole number, and the remainder is the new numerator.

What is a mixed number?

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

What is the result of $$3 \frac{1}{4} + 1 \frac{2}{4} + 2 \frac{3}{4}$$ ?

$$3 \frac{1}{4} + 1 \frac{2}{4} + 2 \frac{3}{4} = 7 \frac{1}{2}$$ .

What is the result of $$\frac{1}{5} + \frac{3}{5}$$ ?

$$\frac{1}{5} + \frac{3}{5} = \frac{4}{5}$$ .

What is the least common denominator (LCD)?

The least common denominator (LCD) is the smallest number that can be used as a common denominator for two or more fractions.

How do you find the least common denominator (LCD) of $$\frac{1}{4}$$ and $$\frac{1}{6}$$ ?

The least common denominator (LCD) of $$\frac{1}{4}$$ and $$\frac{1}{6}$$ is 12.

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

The first step in adding fractions with different denominators is to find the least common denominator (LCD) for the fractions.

Why is it important to simplify fractions?

It is important to simplify fractions to make them easier to understand and work with, and to express them in their simplest form.

4th Grade - Adding and Subtracting Fractions Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2.

FLASHCARD QUESTION

Front

How do you add fractions with the same denominator?

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4.

FLASHCARD QUESTION

Front

How do you subtract fractions with the same denominator?

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6.

FLASHCARD QUESTION

Front

What happens when you add two fractions with the same denominator?

Back

When you add two fractions with the same denominator, you add the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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