Question

ai giúp mik với sos sos sos: \(\dfrac{1}{4}\)+\(\dfrac{9}{20}\) 

Answer 1

\(\dfrac{1}{4}\)+\(\dfrac{9}{20}\)

=\(\dfrac{5}{20}\)+\(\dfrac{9}{20}\)=\(\dfrac{5+9}{20}\)=\(\dfrac{14}{20}\)=\(\dfrac{7}{5}\)

Answer 2

\(\dfrac{1}{4}+\dfrac{9}{20}=\dfrac{5}{20}+\dfrac{9}{20}=\dfrac{14}{20}=\dfrac{7}{10}\)

Answer 3

1/4 + 9/20 = 5/20 + 9/20 = 14/20

Answer 4

thanks bạn nha

Answer 5

=5/20+9/20=14/20=7/5

Answer 6

= 5/20+9/20

=14/20=7/10