Question

cíu mik:       4/3 + 5/21=

Answer 1

\(\dfrac{4}{3}+\dfrac{5}{21}=\dfrac{28}{21}+\dfrac{5}{21}=\dfrac{33}{21}=\dfrac{11}{7}\)

Answer 2

` 4/3 + 5/21= (4xx7)/(3xx7) + 5/21=28/21 + 5/21=(28+5)/21= 33/21=11/7`

Answer 3

\(\dfrac{4}{3}\) + \(\dfrac{5}{21}\) = \(\dfrac{28}{21}\) + \(\dfrac{5}{21}\) = \(\dfrac{11}{7}\)