Alex has 7 dimes and 3 nickels.What fraction of the coins are dimes?

3 answers

7 + 3 = 10 coins
3/10 = fraction of nickles

fraction of dimes = ?
i got 7/10 for my answer but i do not kno i its right.
I think it's 7/10 because if u add 7 and 3 you would get 10 which would be your denominator and since it's 7 dimes that would be the numerator