Evaluate $$\frac{5}{8} \times \frac{2}{3}$$ .

$$\frac{5 \times 2}{8 \times 3} = \frac{10}{24} = \frac{5}{12}$$ after simplification.

What is the result of $$\frac{6}{7} \times \frac{5}{2}$$ ?

$$\frac{6 \times 5}{7 \times 2} = \frac{30}{14} = \frac{15}{7}$$ after simplification.

If a baby weighs 7.25 lb and gains $$2 \frac{1}{2}$$ times its weight, how much does it weigh now?

The baby weighs $$7.25 \times 2.5 = 18.125 lb$$ .

What is the cost of $$2 \frac{3}{5}$$ lb of steak at $6.10 per pound?

The cost is @@2.6 imes 6.10 = 15.86$$.

How many bows can Mrs. Simpson make with 15 yards of ribbon if each bow requires $$\frac{3}{5}$$ yard?

Mrs. Simpson can make $$15 \times \frac{5}{3} = 25$$ bows.

Evaluate $$\frac{5}{8} \text{ divided by } \frac{1}{4}$$ .

$$\frac{5}{8} \times \frac{4}{1} = \frac{20}{8} = \frac{5}{2}$$ after simplification.

What is the definition of multiplication of rational numbers?

Multiplication of rational numbers involves finding the product of two fractions by multiplying their numerators and denominators.

What is the definition of division of rational numbers?

Division of rational numbers involves dividing one fraction by another, which is done by multiplying by the reciprocal of the divisor.

What is the simplified form of $$\frac{12}{36}$$ ?

The simplified form is $$\frac{1}{3}$$ .

What is the importance of simplifying fractions?

Simplifying fractions makes them easier to understand and work with, and it helps in finding equivalent fractions.

What is a reciprocal?

A reciprocal of a number is 1 divided by that number. For a fraction $$\frac{a}{b}$$ , the reciprocal is $$\frac{b}{a}$$ .

Multiplication and Division of Rational Numbers Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

2.

FLASHCARD QUESTION

Front

How do you multiply two rational numbers?

Back

3.

FLASHCARD QUESTION

Front

What is the process for dividing rational numbers?

Back

4.

FLASHCARD QUESTION

Front

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

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

Back

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