ME AJUDE! Efetue adiçoes e subtraçoes!!!!!
so tenho hoje para fazer esse dever

Efetue as seguintes adiçoes e subtraçoes,me ajude por favor

A)2 1/3 +4/9:
B)9/2+1 3/4:
C)3 1/2+2/5:
D)1 3/4+1 1/2:
E)3 1/2 -3/4:
F)2 1/3-3/5:
G)2 3/5 -3/10:
H)3 2/5-1 3/4:


Me ajuuudemm
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