Question

What is 99 divided by 3 ? What is 48 divided by 3 ? What is 4 times 5 3/7?

Answer 1

21 and 5/7

Look at the top answer for a better explanation. Mines isn't the best. :)

Answer 2

`99:3=(90+9):3=(90:3)+(9:3)=30+3=\boxed{33}\\\\48:3=(30+18):3=(30:3)+(18:3)=10+6=\boxed{16}\\\\4*5(3)/(7)=4*(5\cdot7+3)/(7)=4*(38)/(7)=(4*38)/(7)=(152)/(7)=\boxed{21(5)/(7)}`