happy7friend

I think Ethan is right here....so boo on you!

4 15 mins in one hour

4*3=12

$${\mathtt{22}}{\mathtt{\,\times\,}}{\mathtt{55}} = {\mathtt{1\,210}}$$

First, find common denominators

They are both 12 so they are good

No subtract numerators

9-10=-1

so the answer is -1/12