Respuesta :
Answer:
[tex]\frac{3}{10}[/tex]
Step-by-step explanation:
[tex]\frac{4}{7}*\frac{21}{40}=\frac{4*21}{7*40}=\frac{1*3}{1*10}=\frac{3}{10}[/tex]
Answer: 84/280 simplfied is 3/10
Multiply
4*21= 84
7*40= 280
Answer: 84/280
Divide by 28
84/280 ÷ 28/28 = 3/10
Final/Simplfied Answer: 3/10