Question

So sánh các số hữu tỉ sau:

a) \(\frac{278}{37}\) và \(\frac{287}{46}\)b) \(\frac{547}{216}\) và \(\frac{546}{215}\)

Answer 1

a) \(\frac{278}{37}=7+\frac{19}{37}\)   \(\frac{287}{46}=7-\frac{35}{46}\)

\(\frac{278}{37}>7>\frac{287}{46}\Rightarrow\frac{278}{37}>\frac{287}{46}\)

Answer 2

b) Ta có: \(\frac{547}{216}=1+\frac{331}{216}\)

                 \(\frac{546}{215}=1+\frac{331}{215}\)

mà \(\frac{331}{216}< \frac{331}{215}\)

=> \(\frac{547}{216}< \frac{546}{215}\)

Answer 3

So sánh phần hơn đó!