Addition of Rational Numbers

Q.

What should be added to
$\frac{-3}{8}\text{to get}\frac{5}{16}?$

1. $\frac{12}{16}$

2. $\frac{13}{16}$

3. $\frac{11}{16}$

4. $\frac{14}{16}$

Q.

What should be added to $\frac{-3}{4}$ to get $\frac{5}{16}$?

1. 11/16

2. 13/16

3. 12/16

4. 17/16

Q.

$\text{The sum of three rational numbers is}\frac{-1}{5}.\text{If two numbers are}\frac{-2}{5}\text{and}\frac{3}{10},\text{then find}\text{the third number.}$

1. $\frac{8}{10}$

2. $\frac{1}{10}$

3. $\frac{-1}{10}$

4. $\frac{-2}{10}$

Q.

Add $\frac{2}{13}$ to the reciprocal of $\frac{-26}{12}$.

1. 5/7

2. -5/6

3. 6/7

4. -4/13

Q.

Find the sum of the rational numbers
$\frac{-7}{19}and\frac{-2}{57}.$

1. $\frac{-22}{47}$

2. $\frac{-32}{47}$

3. $\frac{-21}{57}$

4. $\frac{-23}{57}$

Q.

The sum of the rational numbers $\frac{-8}{19}$ and $\frac{-4}{57}$ is _____.

1. $\frac{-28}{57}$

2. $\frac{-12}{57}$

3. $\frac{-42}{47}$

4. $\frac{-32}{47}$

Q.

Find the result obained by the addition of
$\frac{2}{3}\text{to the reciprocal of}\frac{-2}{3}.$

1. $\frac{-5}{6}$

2. $\frac{6}{7}$

3. $\frac{-6}{7}$

4. $\frac{5}{6}$

Q. What must be added to
$(\frac{1}{2}+\frac{1}{3}-\frac{1}{5})$
so that we get 3?

1. $\frac{30}{91}$
2. $\frac{23}{30}$
3. $\frac{71}{30}$
4. $\frac{19}{30}$

Q. Find the value of
$\frac{3}{5}+\frac{-7}{6}+\frac{2}{5}+\frac{-5}{6}.$

1. 14
2. 0
3. 2
4. -1

Q. Zero (0) is ____.

1. the identity for addition of rational numbers
2. the identity for subtraction of rational numbers
3. the identity for multiplication of rational numbers
4. the identity for division of rational numbers