Question

AJUDA PLMDS GALERAAA

Answer 1

a) 8/9

b)131/60

c)1/2

d)13/12

e)223/60

Answer 2

a)

3/9+5/9

(3+5)/9=8/9

b)

7/12+8/5

7*5/(12*5) +8*12/(5*12)

=35/60 + 96/60 = 131/60

c)

17/8-13/8

(17-13)/8 =4/8=1/2

d)

10/3-9/4

10*4/(3*4) -9*3/(4*3)

=(40-27)/12

=13/12

e)

2/8+4/5+8/3

=2*5*3/120 +4*8*3/120 +8*8*5/120

=30/120 + 96/120 +320/120

=(30+96+320)/120

=446/120 =223/60