Oblicz,wynik predztaw w postaci najprostrzej: 1 1/4 - 3/8= 6 1/7 - 2 3/8= 4 * 13/32= 1 3/7 * 14/20= 5 2/9 * 3= 1 1/4 * 5 1/3= 6/8 : 18/16= 1 1/2 : 5/30= 2 1/4 : 3/2=
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a)1 1/4 - 3/8=5/4-3/8=7/8
b)6 1/7 - 2 3/8=43/7-19/8=211/56= 3 43/56
c)4 * 13/32=52/32=13/8= 1 5/8
d)1 3/7 * 14/20=10/7*14/20=1
e)5 2/9 * 3=47/9*3=47/3= 15 2/3
f)1 1/4 * 5 1/3= 5/4*16/3=20/3= 6 2/3
g)6/8 : 18/16= 6/8*16/18=2/3
h) 1 1/2 : 5/30= 3/2*30/5=9
i)2 1/4 : 3/2= 9/4*2/3=3/2= 1 1/2