Question

_____
2. The sum of -3/8 and 5/7 is ___________
3. What should be added to 7/12 to get 4/15?
4. Represent -12 / 5 on a number line.
5. Identify the property:
a. (2/7 + 1/4) + 2/3 = 2/7 + (1/4 + 2/3)
b. 1/7 + 5/10 = 5/10 + 1/7
c. 4/6 + 0 = 0 + 4/6 = 0
6. Zero has _______ reciprocal
7. State True / False:
a. Associative property of rational numbers does not satisfy for subtraction. ______
b. Additive identity of any rational number is 0. ________
c. The product of a number and its reciprocal is always 1. _________
d. If we add a rational number to its additive inverse, the answer we will get is 1.
_____
8. The absolute value of -18/25 is __________
9. State commutative property of subtraction of rational numbers with an example.
10. Verify closure property of addition for -8/11 and 3/6.

Answer 1

the sum of minus 3 by 8 and 5 by 7

please mark my answer as brainliest

Answer 2

Answer:

$2. \: the \: sum \: of \: ( - \frac{3}{8} ) + \frac{5}{7 } =$

$\frac{ - 21 +40 }{56} = \frac{19}{56}$

3. Consider the no. to be added = x

According to question

$\frac{7}{12} + x = \frac{4}{15}$

$x = \frac{4}{15} - \frac{7}{12}$

$x = \frac{16 - 35}{60} = \frac{19}{60}$

4. Sorry I don't know

5. Sorry I don't know

6. Zero has no reciprocal.

7. Sorry I don't know

8. Sorry I don't know

9. Sorry I don't know

10. Sorry I don't know