Question

1. ce fractie trebuie adunata cu 5/9 pentru a obtine un intreg 2.aflati fracti cu 3/10 mai mari decat 3/10,4/10, 6/10,7/10 ,10/10.3.scrieti fiecare dintre fractiie alaturate ca o suma de doua sau trei fractii cu acelasi numitor 8/8, 12/15,14/10,23/17.

Answer 1

1.5/9 +4/9 = 9/9

2.
3/10+3/10=6/10
3/10+4/10=7/10
3/10+6/10=9/10
3/10+7/10=10/10
3/10+10/10=13/10

3.
4/8+4/8=8/8
2/15+5/15+5/15=12/15
6/10+8/10=14/10
7/17+10/17+6/17=23/17