Don't know don't ask me I'm dumb

7 1/3 - 3 1/2

Give the fractions a common denominator [lower number in fraction] (in this case 6 which both 3 and 2 go nicely into)

=> 7 2/6 - 3 3/6

=> 6 8/6 - 3 3/6

=> 3 5/6 Answer = Three and five-sixths

Alternatively 7 2/6 - 3 3/6

=> 44/6 - 21/6

=> 23/6

=> 3 5/6 (Three and five-sixths)

Give the fractions a common denominator [lower number in fraction] (in this case 6 which both 3 and 2 go nicely into)

=> 7 2/6 - 3 3/6

=> 6 8/6 - 3 3/6

=> 3 5/6 Answer = Three and five-sixths

Alternatively 7 2/6 - 3 3/6

=> 44/6 - 21/6

=> 23/6

=> 3 5/6 (Three and five-sixths)

=7 2/6-3 3/6

=6 8/6-3 3/6

=3 5/6

=6 8/6-3 3/6

=3 5/6