please help me asap

Answer:
15/16-3/4 is 3/16. (1/8 simplified)
Step-by-step explanation: Let the 4 turn into a 16. Multiply 4 by 4 to get 16. Then, multiply the numerator by the number you multiplied for the denominator. 3x4 is 12. Now, can subtract. 15-12=3.
Answer:
#5 should be: 0.1875
and since its different to the ones you have it will be 1 bc the decimal shows as .1
Idk if u want #6 done bc it does not show all answers but i did it anyways :)
#6 should be:−18.16666667
and if there is no decimal points on this one eather it will be -18/16
Step-by-step explanation:
Hopefully this helped, if not HMU and I will try my best to get you a better answer!
Have a great day:)
And if u need help with anything Im here! :)