Question

7/96 trừ 24/âm 27 trừ 12/18 giúp mình ạ

Answer 1

\(\dfrac{7}{96} - \dfrac{24}{-27}- \dfrac{12}{18}=\dfrac{85}{288}\)

Answer 2

\(\dfrac{7}{96}-\dfrac{24}{-27}-\dfrac{12}{18}\\ =\dfrac{7}{96}+\dfrac{8}{9}-\dfrac{2}{3}\\ =\dfrac{21}{288}+\dfrac{256}{288}-\dfrac{192}{288}\\ =\dfrac{21+256-192}{288}\\ =\dfrac{85}{288}\)