Question

Resolva as seguintes operações com frações: a) 2/3 + 4/7 = ( ) 26/21 ( ) 6/10 ( ) 8/21 ( ) 20/21 b) 3/5 – 4/8 = ( ) 4/30 ( ) 1/10 ( ) 10/40 ( ) 1/13 c) 2/5 x 3/7 = ( ) 6/35 ( ) 6/5 ( ) 5/12 ( ) 6/7 c) 7/8 : 2/5 = ( ) 35/16 ( ) 14/40 ( ) 5/3 ( ) 9/13 URGENTE!!! É PARA AGORA!! RÁPIDOOOOOO!!!

Answer 1

Explicação passo-a-passo:

a)2/3+4/7 = 14/3+12/7 = 26/21

b) 3/5-4/8 = 24/5-20/8 = 4/40 = 1/10

c) 7/8 x 5/2 = 35/16