a)2 1/7 + 1 3/7
b)1 2/5 + 3 1/10


Răspuns :

Răspuns:

introducem intregii in fractie

a) 2 1/7 + 1 3/7 =15/7+10/7=25/7

b)1 2/5 + 3 1/10=²⁾7/5+31/10=14/10+31/10=45/10=9/2