7/8 minus 1/2

Question

Tom bought a board that was 7/8 of a yard. he cut off 1/2 of a yard. how much was left?

 

Answer 1

7/8 minus 1/2

Turn all to eights and will get

(7/8)-(4/8) = 3/8 of a yard

 

Answer 2

7/8-1/2

 

7/8-4/8

 

3/8