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Express the following as a single fraction a. (p+q)/4 +(p-2q)/5 b. ½ + (3a +b)/(3a +3b)

Express the following as a single fraction
a. (p+q)/4 +(p-2q)/5
b. ½ + (3a +b)/(3a +3b)

Answers

joseph
a. (p+q)/4 +(p-2q)/5 = [5(p+q) + 4(p -2q)]/20
=( 5p +5q +4p -8q)/20
= (9p -3q)/20
b. ½ + (3a +b)/(3a +3b) =[1(3a +3b) + (3a +b)]/2(3a +3b)
= 6a +4b/2(3a +3b)
= (3a +2b)/3(a+b)
joseph rimiru answered the question on October 24, 2017 at 19:30

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