Express each of the following as a rational number 3/7+(-2/9)+7/9

asked Jan 21, 2024 97.1k views

2 votes

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5 votes

Answer:

=62/63

=
(62)/(63)

Explanation:

Convert everything to a denominator 63

=
=(3*9)/(63) +-(2*7)/(63) +(7*7)/(63)

=
$(27)/(63) +(-14)/(63) +(49)/(63)\\$

Add up the numerators

=
(62)/(63)

Ddimitrov answered Jan 24, 2024

8.6k points

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