1/12 + 2/6 = 5/12 spent
so, how much was unspent?
I
1/12 of john's salary was spent on electricity and 2/6 of his salary went to pay rent. How much does he have left?
2 answers
total fraction = 1/1- 1/12 + 2/6.
= 1- 5/12
=7/12
= 1- 5/12
=7/12