Question

\(\dfrac{7}{2}+\dfrac{3}{4}+\dfrac{5}{3}\) giải hộ

Answer 1

\(=\dfrac{14}{4}+\dfrac{3}{4}+\dfrac{5}{3}=\dfrac{14+3}{4}+\dfrac{5}{3}=\dfrac{17}{4}+\dfrac{5}{3}\\ =\dfrac{51}{12}+\dfrac{20}{12}=\dfrac{51+20}{12}=\dfrac{71}{12}\)

Answer 2

\(\dfrac{7}{2}+\dfrac{3}{4}+\dfrac{5}{3}\) MSC : \(12\)

\(\dfrac{7}{2}+\dfrac{3}{4}+\dfrac{5}{3}=\dfrac{42}{12}+\dfrac{9}{12}+\dfrac{20}{12}=\dfrac{42+9+20}{12}=\dfrac{71}{12}\)

Answer 3

7/2+3/4+5/3

=84/24+18/24+40/24

=142/24

=71/12