You can find one here. Say it take me 2 hours to paint the room and it takes you 3 hours. Then we could write and equation that says the time it takes both of us is 1/2+1/3=1/t.We need to add these...
If Bob finds 4 apple halves on the ground, and then he finds 3 more apple halves, how many apple haves does he have? 2+1 1/2= 3 1/2
Flip the fraction top-to-bottom, and delete the minus sign from the exponent.
by working it out
an important lesson in mathematics is that the fraction bar is telling you to divide. for example, 2 over 4 is the same as 2 divided by 4. 2- = 2รท44