Question

Dodaj ułamki :
a) 12/15 + 7/15 + 3/15 =
1 + 2/5 + 3 3/5 =
3 4/10 + 2 + 5 6/10 =
b) 2 + 1 3/5 =
4 1/3 + 5 =
1 3/4 + 2/24 =
c) 2 + 8/15 =
1 2/3 + 2 2/3 + 3 1/3 =
7 2/5 + 3 1/5 + 2 2/5
d) 40/50 + 10/50 + 30/50 =
2 3/5 + 2 3/5 =
8 1/10 + 2 8/10 + 5 9/10 =
PROSZĘ SZYBKO
daje naj :-)

Answer 1

a) 12/15 + 7/15 + 3/15 = 22/15=1 7/15
1 + 2/5 + 3 3/5 = 4 5/5 = 5
3 4/10 + 2 + 5 6/10 =10 10/10= 11
b) 2 + 1 3/5 =3 3/5
4 1/3 + 5 =9 1/3
1 3/4 + 2/24 =1 18/24+2/24= 1 20/24= 1 5/6
c) 2 + 8/15 =2 8/15
1 2/3 + 2 2/3 + 3 1/3 =6 6/3=8 
7 2/5 + 3 1/5 + 2 2/5= 12 5/5= 13
d) 40/50 + 10/50 + 30/50 =80/50= 1 30/50= 1 3/5
2 3/5 + 2 3/5 =4 6/5= 5 1/5
8 1/10 + 2 8/10 + 5 9/10 =15 18/10 = 16 8/10= 16 4/5