Respuesta :

4. The LCD is 10 * 11 = 110

7/11 - 3/10 = 70/110 - 33/110 = 37/110

5. The LCD is 24

11/12 - 1/8 = 22/24 - 3/24 = 19/24

6. The LCD is 20

15/20 - 1/5 = 15/20 - 4/20 = 11/20