Respuesta :

3/4=21/28
2/7=8/28
so
21/28-8/28=13/28
answer =13/28

Answer:

=13/28 or (Decimal: 0.464286)

Step by Step:

=3/4−2/7

=3/4+−2/7

=21/28+−8/28

=21+−8/28

=13/28