Question

Calcule:
a)12/3-3/8
b)10/3+1/5-2/3
c)4/3:5/7

Answer 1

Calcule:
a)
= 12/3-3/8
= 4 - 3/8
= (8.4 - 3)/8
= (32 - 3)/8
= 29/8

b)
= 10/3 + 1/5 - 2/3
= (5.10+3.1-5.2)/15
= (50+3-10)/15
= 43/15

3,5:3
1,5:5
1,1 = 3.5 = 15

c)
= 4/3:5/7
= 4/3 . 7/5
= 28/15