Take LCM and then cross multiply.Originally Posted by happyboy
It's easier to understand if you see the work...Originally Posted by happyboy
you need a common denominator
add the fractions..
Multiply both sides by 40
subtract 15 from both sides
It's possible now to solve for both "A" and "a" but did you do a typo and they're really the same variable?
assuming they are...add them together
and divide by 13
and the answer is....