Question

27/11 - 10/11

8 - 4/3

15/8-1

12/5- 3/7

Answer 1

27/11 - 10/11= 17/11

8/1 - 4/3= 8x3 - 1x4/3x1=24 - 4/3 = 20/3


15/8 - 1/1 = 15x1 - 8x1/8 x 1=15 - 8/8= 7/8

12/5 - 3/7 = 12 x 7 - 5x1 /5 x 7 = 84 - 75/45= 9/45= es reducible a 1/5.

toda la mejor .