Question

MINHA AJUDA!!!!!! POR FAVOR!!!!!!!!!EU PRECISO DE TI!!!!!!! Calcule as frações com MMC :

Answer 1

Respostas:

d) 3...1/5 + 2...3/5 = (5.3+1)/5 + (5.2+3)/5 = 16/5 + 13/5 = 29/5

e) 5/3 + 4/5 + 7/15 = 25/15 + 12/15 + 7/15 = 44/15.......(mmc = 15)

f) 4 - 1/7 = 28/7 - 1/7 = 27/7.............(mmc = 7)

g) 9/10 - 4/5 = 9/10 - 8/10 = 1/10.............(mmc = 10)

h) 11/12 - 5/8 = 22/24 - 15/24 = 7/24...........(mmc = 24)