Examples with solutions for Addition and Subtraction of Directed Numbers: Using fractions

Exercise #1

3+(12)+(38)+58= -3+(-\frac{1}{2})+(\frac{3}{8})+\frac{5}{8}=

Video Solution

Answer

52 -\frac{5}{2}

Exercise #2

12+34+15+(45)= -\frac{1}{2}+\frac{3}{4}+-\frac{1}{5}+(-\frac{4}{5})=

Video Solution

Answer

34 -\frac{3}{4}

Exercise #3

49+5+(2)+59= -\frac{4}{9}+5+(-2)+\frac{5}{9}=

Video Solution

Answer

289 \frac{28}{9}

Exercise #4

5+12+10+(34)= -5+-\frac{1}{2}+10+(-\frac{3}{4})=

Video Solution

Answer

154 \frac{15}{4}

Exercise #5

38(58)(12)= -\frac{3}{8}-(-\frac{5}{8})-(-\frac{1}{2})=

Video Solution

Answer

34 \frac{3}{4}

Exercise #6

14(18)+16= -\frac{1}{4}-(-\frac{1}{8})+\frac{1}{6}=

Video Solution

Answer

124 \frac{1}{24}

Exercise #7

147+(3)12(14)= -\frac{14}{7}+(-3)-\frac{1}{2}-(-\frac{1}{4})=

Video Solution

Answer

214 -\frac{21}{4}

Exercise #8

Solve:

416(38)+28+(14)= -\frac{4}{16}-(-\frac{3}{8})+\frac{2}{8}+(-\frac{1}{4})=

Video Solution

Answer

18 \frac{1}{8}

Exercise #9

125+(15)(1925)= -\frac{1}{25}+(-\frac{1}{5})-(-\frac{19}{25})=

Video Solution

Answer

1325 \frac{13}{25}