What is $$\frac{7}{8} + \frac{1}{2}$$ expressed with a common denominator?

Convert $$\frac{1}{2}$$ to $$\frac{4}{8}$$ , so it becomes $$\frac{7}{8} + \frac{4}{8} = \frac{11}{8}$$ .

How do you simplify $$\frac{11}{8}$$ ?

Convert it to a mixed number: $$1 \frac{3}{8}$$ .

If Aurora has $$2 \frac{1}{2}$$ cups of frosting and uses $$\frac{1}{6}$$ cups, how do you find the remaining amount?

Convert $$2 \frac{1}{2}$$ to an improper fraction, subtract $$\frac{1}{6}$$ , and simplify.

What is $$2 \frac{1}{2} - \frac{1}{6}$$ ?

Convert to a common denominator and subtract: $$\frac{15}{6} - \frac{1}{6} = \frac{14}{6} = 2 \frac{1}{3}$$ .

How do you add mixed numbers like $$3 \frac{3}{4} + 2 \frac{1}{2}$$ ?

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

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

Convert to improper fractions: $$\frac{15}{4} + \frac{5}{2} = \frac{15}{4} + \frac{10}{4} = \frac{25}{4} = 6 \frac{1}{4}$$ .

What is a common denominator?

A common denominator is a shared multiple of the denominators of two or more fractions.

Why is it important to simplify fractions?

Simplifying fractions makes them easier to understand and work with.

What does it mean to convert a mixed number to an improper fraction?

To convert, multiply the whole number by the denominator, add the numerator, and place over the original denominator.

What is the process of finding a common denominator called?

Finding a common denominator is part of the process of adding or subtracting fractions.

Unlike Fractions TEST Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is an unlike fraction?

Back

Unlike fractions are fractions that have different denominators.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2.

FLASHCARD QUESTION

Front

How do you add unlike fractions?

Back

To add unlike fractions, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.7.NS.A.1C

3.

FLASHCARD QUESTION

Front

Back

Find a common denominator, which is 10 in this case.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4.

FLASHCARD QUESTION

Front

Back

The common denominator is 9.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.7.NS.A.1C

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