Math  /  Numbers & Operations

Question(3) Evaluate the expression 45÷23×12\frac{4}{5} \div \frac{2}{3} \times \frac{1}{2}
Write your answer as a fracti \square

Studdy Solution

STEP 1

1. The expression involves division and multiplication of fractions.
2. We need to evaluate the expression and provide the answer as a fraction.

STEP 2

1. Rewrite the division as multiplication.
2. Perform the multiplication of fractions.
3. Simplify the resulting fraction.

STEP 3

Rewrite the division as multiplication by the reciprocal.
The expression is:
45÷23×12\frac{4}{5} \div \frac{2}{3} \times \frac{1}{2}
Rewrite the division:
45×32×12\frac{4}{5} \times \frac{3}{2} \times \frac{1}{2}

STEP 4

Multiply the fractions.
First, multiply the first two fractions:
(45×32)=4×35×2=1210\left(\frac{4}{5} \times \frac{3}{2}\right) = \frac{4 \times 3}{5 \times 2} = \frac{12}{10}
Now, multiply the result by the third fraction:
1210×12=12×110×2=1220\frac{12}{10} \times \frac{1}{2} = \frac{12 \times 1}{10 \times 2} = \frac{12}{20}

STEP 5

Simplify the resulting fraction.
Find the greatest common divisor (GCD) of 1212 and 2020, which is 44.
Divide the numerator and the denominator by 44:
1220=12÷420÷4=35\frac{12}{20} = \frac{12 \div 4}{20 \div 4} = \frac{3}{5}
The simplified result of the expression is:
35\boxed{\frac{3}{5}}

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