Question: "Erica bought 3 1/2 yards of fabric. If she uses 2/3 of the fabric to make a curtain, how much will she have left?"
> Changed the numerators using the mixed number method
>made them have common denominators
> Subtracted
>then divided to have gotten the answer but I got 2&5/6. The right answer is 1&1/6yrds. Am I on the right track? Any idea what I could've done different? Thanks!!!