Question

10) represente as expressões numericas com frações a) 3/5 + 2/6 - 3/12 - 1/2 + 4/6

Answer 1

"A") 3/5 + 2/6 - 3/12 - 1/2 + 4/6

='3/5 + 6/6 - 4/12(:4)/(:4)'

= ''3/5+1-1/3

mmc (3,5)="15"

'=(3.3+15-5)/15'

'=(9+10)/15'

"=19/15"