Question

Calcule
a) 3/7 1/4=

b) 1/5 . 2/7 . 3/5=

c) 2.7/5 . 1/6=

d) 3/8 . 3/7 . 2/4=

Answer 1

a)
= 3/7 . 1/4
= 3/28

b)
= 1/5 . 2/7 . 3/5
= 6/175

c)
= 2. 7/5 . 1/6
= 14/30 (:2)/(:2)
= 7/15

d)
= 3/8 . 3/7 . 2/4
= 3/8 .3/7 . 1/2
= 9/112