Question

POMOCY. Oblicz ułamki:

a) 2/5+ 3/10=

b) 2/3 + 1/6 =

c) 2/3 +2/9=

d)1 1/5 + 2 7/10 =

e)2/5 - 1/10 =

f) 5/3 - 5/6 =

g) 1 1/2 - 3/4=

h) 3 1/3 - 1 1/6=

Answer 1

a) 2/5 + 3/10 = 4/10 + 3/10 = 7/10

b) 2/3 + 1/6 = 4/6 + 1/6 = 5/6

c) 2/3 +2/9 = 6/9 + 2/9 = 8/9

d)1 1/5 + 2 7/10 = 1 2/10 + 2 7/10 = 3 9/10

e)2/5 - 1/10 =4/10 - 1/10 = 3/10

f) 5/3 - 5/6 = 10/6 - 5/6 = 5/6

g) 1 1/2 - 3/4= 3/2 - 3/4 = 6/4 - 3/4 = 3/4

h) 3 1/3 - 1 1/6 = 3 2/6 - 1 1/6 = 2 1/6

Answer 2

a. 7/10

b. 5/6

c. 8/9

d. 3 i 9/10

e. 3/10

f. 5/6

g 3/4

h. 2 i 1/6