Examples with solutions for Parentheses in advanced Order of Operations: Using fractions

Exercise #1

(85+5):10= (85+5):10=

Video Solution

Step-by-Step Solution

According to the order of operations rules, we must first solve the expression within the parentheses:

85+5=90 85+5=90

We should obtain the following expression:

90:10=9 90:10=9

Answer

9

Exercise #2

2(3+128)= 2\cdot(3+\frac{1}{2}\cdot8)=

Video Solution

Answer

14 14

Exercise #3

14(13+12)= \frac{1}{4}\cdot\big(\frac{1}{3}+\frac{1}{2}\big)=

Video Solution

Answer

5/24

Exercise #4

5(212+116+34)= 5\cdot\big(2\frac{1}{2}+1\frac{1}{6}+\frac{3}{4}\big)=

Video Solution

Answer

22112 22\frac{1}{12}

Exercise #5

(14+745414)10:7:5=? (\frac{1}{4}+\frac{7}{4}-\frac{5}{4}-\frac{1}{4})\cdot10:7:5=\text{?}

Video Solution

Answer

17 \frac{1}{7}