Question

A) (+3/5)+(+1/2)=
B)(-2/3)+(+5/4)=
C)(-4/9)+(+2/3)=
D)(-3/7)+(+2/9)=

Answer 1

.

.

$\dfrac{3}{5} + \dfrac{1}{2}$

$\dfrac{6 + 5}{10}$

$\dfrac{11}{10}$

.

.

$- \dfrac{2}{3} + \dfrac{5}{4}$

$\dfrac{ - 8 + 15}{12}$

$\dfrac{7}{12}$

.

.

$- \dfrac{4}{9} + \dfrac{2}{3}$

$\dfrac{ - 4 + 6}{9}$

$\dfrac{2}{9}$

.

.

$- \dfrac{3}{7} + \dfrac{2}{9}$

$- \dfrac{27 + 14}{63}$

$- \dfrac{13}{63}$