A2/7
B2/21
C2
D3
Answer:
3/7 × 14/21 = 2/7
Related Questions:
Express 4.12ˉ4.\bar{12}4.12ˉ in fraction.
12+1212×12÷12=?\frac{\frac12+\frac12}{\frac12\times\frac12}\div\frac12=?21×2121+21÷21=?