Question

Calcule:
a) 5/4 + 13/6 =
b) 3/25 + 2/5 =
c) 3/4 + (4/5 -3/10) =
d) 5/8 - 3/8 -1/8 =


COM CONTA POR FAVOR !!!!

Answer 1

5/4 + 13/6 =
mmc = 12
( 15 + 26)/12 =41/12 =  3 inteiros  5/12 ****
( 41 : 12 )
b
3/25 + 2/5 =
mmc = 25
( 3 + 10)/25 = 13/25 ****
c
3/4 + ( 4/5 - 3/10)
mmc = 20
( 15 + 16 - 6 )/20 =  25/20  = 5/4 *****
d
5/8- 3/8 - 1/8  = (5 - 3 - 1)/8 = 1/8 ***

Answer 2

Resposta:

5/4 + 13/6 =

mmc = 12

( 15 + 26)/12 =41/12 =  3 inteiros  5/12 ****

( 41 : 12 )

b

3/25 + 2/5 =

mmc = 25

( 3 + 10)/25 = 13/25 ****

c

3/4 + ( 4/5 - 3/10)

mmc = 20

( 15 + 16 - 6 )/20 =  25/20  = 5/4 *****

d

5/8- 3/8 - 1/8  = (5 - 3 - 1)/8 = 1/8 ***