Write the phrases using the correct operation symbol $( + , - , \cdot , \div )$ and then do the operation. Write answers as fractions and decimals, where appropriate. Round decimals to the nearest thousandth. Assume the second number is subtracted from or divided Into the first number. Find the sum of $\frac { 5 } { 4 }$ and $\frac { 1 } { 2 }$ .
A) $\frac { 7 } { 2 } , 3.500$
B) $\frac { 7 } { 4 } , 1.750$
C) $\frac { 5 } { 4 } , 1.25$
D) $\frac { 7 } { 2 } , 3.5$
E) $\frac { 5 } { 2 } , 2.5$

Question

Quizplus · Accepted Answer

To find the sum of $\frac{5}{4}$ and $\frac{1}{2}$, first convert $\frac{1}{2}$ to have a common denominator with $\frac{5}{4}$, which is $\frac{2}{4}$. Then, $\frac{5}{4} + \frac{2}{4} = \frac{7}{4}$. As a decimal, $\frac{7}{4} = 1.75$, rounded to three decimal places is 1.750.

Write the Phrases Using the Correct Operation Symbol (+,−,⋅,÷)( + , - , \cdot , \div )(+,−,⋅,÷)

Write the Phrases Using the Correct Operation Symbol $( + , - , \cdot , \div )$