Question

4/5+2/5=?

78/45-23/45=?

Answer 1

4/5+2/5=6/5

78/45-23/45=55/45=11/9

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Answer 2

4/5 +2/5 =6/5

78/45 -23/45 =50/45 =10/9

Answer 3

6/5 và10/9 nha k mk còn âm 49

Answer 4

\(\frac{4}{5}+\frac{2}{5}=\frac{4+2}{5}=\frac{6}{5}\)

\(\frac{78}{45}-\frac{23}{45}=\frac{78-23}{45}=\frac{11}{9}\)

Answer 5

4/5+2/5=6/5