Question

please help me friends I can't understand please so this and snd me ​

Answer 1

a.

• $\sf{\dfrac{5}{3}=\dfrac{5×7}{3×7}=\dfrac{35}{21} }$ 

b.

• $\sf{\dfrac{5}{3}=\dfrac{5×4}{3×4}=\dfrac{20}{12} }$ 

c.

• $\sf{\dfrac{2}{7}=\dfrac{2×5}{7×5}=\dfrac{10}{35} }$ 

d.

• $\sf{\dfrac{2}{7}=\dfrac{2×15}{7×15}=\dfrac{30}{105} }$

Answer 2

Hi sis thanks for your help