Hasil dari 7/2×2/3-21/4=

7/2 × 2/3 - 21/4 = 14/6 - 21/4 => disamakan penyebutnya..

14/6 - 21/4 = 28/12 - 63/12 = - 35/12

7/2 x 2/3 - 21/4

7/2 x 2/3 = 7 / 3

7/3 - 21/4 = 28/12 - 63/12 = - 35/12 = -2 11/12