Question

Bài 1:Tính

a) 5/12+3/4+1/3=                                                      b) 4/9+25/18+5/6=

Answer 1

a \(\dfrac{3}{2}\)

b \(\dfrac{8}{3}\)

Answer 2

a) \(\dfrac{5}{12}+\dfrac{3}{4}+\dfrac{1}{3}=\dfrac{5}{12}+\dfrac{9}{12}+\dfrac{4}{12}=\dfrac{18}{12}=\dfrac{3}{2}\)

b) \(\dfrac{4}{9}+\dfrac{25}{18}+\dfrac{5}{6}=\dfrac{8}{18}+\dfrac{25}{18}+\dfrac{15}{18}=\dfrac{48}{18}=\dfrac{8}{3}\)