Question

Plese awnser. My question rational numbers

Answer 1

Answer:

In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.

Answer 2

Answer:

a)

-1/2 + (-4/3 +3/7)

solving the brackets first

-1/2 + (-28/21 + 9/21)

-1/2 + (-19/21)

-1/2 -19/21

-21/42 -38/42

-59/42

b)

(-1/2 +3/7) + (-4/3)

(-7/14 + 6/14 ) + (-4/3)

-1/14 + -4/3

-3/42 -56/42

-59/42