Question 550488
1/4+1/6-1/36

Find the common denominator...it's 36.  36 can be divided by 4 and 6 with no remainder.

Now, give all fractions a denominator of  36 by multiplying by fraction names for one...

1/4(9/9) +1/6(6/6) - 1/36.  Multiply by the fraction names for one
9/36+6/36-1/36.   Now add and subtract.