$$\frac{7}{8}\ <\ \frac{3}{4}$$

$$\frac{7}{8}\ >\ \frac{3}{4}$$

$$\frac{7}{8}\ =\ \frac{3}{4}$$

Không so sánh được

$$\frac{7}{8}+\frac{3}{4}=\frac{7}{8}+\frac{6}{8}=\frac{13}{8}$$

$$\frac{7}{8}+\frac{3}{4}=\frac{7}{8}+\frac{6}{8}=\frac{13}{16}$$

$$\frac{7}{8}+\frac{3}{4}=\frac{7}{8}+\frac{3}{4}=\frac{10}{12}$$

$$\frac{7}{8}+\frac{3}{4}=\frac{7}{8}+\frac{6}{8}=\ \frac{12}{8}$$

$$\frac{7}{8}\ -\ \frac{3}{4}=\frac{7}{8}\ -\ \frac{6}{8}=\frac{1}{16}$$

$$\frac{7}{8}-\frac{3}{4}=\frac{7}{8}-\frac{3}{4}=\frac{4}{8}$$

$$\frac{7}{8}-\frac{3}{4}=\frac{7}{8}-\frac{6}{8}=\frac{1}{8}$$

$$\frac{7}{8}-\frac{3}{4}=\frac{7}{8}-\frac{6}{8}=1$$

$$\frac{7}{8}\times\frac{3}{4}=\frac{7}{8}\ \times\frac{6}{8}=\frac{42}{64}$$

$$\frac{7}{8}\times\frac{3}{4}=\frac{28}{24}$$

$$\frac{7}{8}\times\frac{3}{4}=\frac{7}{8}\times\frac{4}{3}=\ \frac{28}{24}$$

$$\frac{7}{8}\times\frac{3}{4}=\frac{21}{32}$$

$$\frac{7}{8}:\frac{3}{4}=\frac{7}{8}\times\frac{3}{4}=\frac{21}{32}$$

$$\frac{7}{8}:\frac{3}{4}=\frac{7}{8}\times\frac{4}{3}=\frac{28}{24}$$

$$\frac{7}{8}:\frac{3}{4}=\frac{7}{8}\times\frac{4}{3}=\frac{28}{24}=\frac{7}{6}$$

$$\frac{7}{8}:\frac{3}{4}=\frac{7}{8}\times\frac{6}{8}=\frac{42}{64}$$