5 7/10 -7 3/10

1 answer

= (5 + 7/10) - (7 + 3/10)
= 5 + 7/10 - 7 - 3/10
= 5 - 7 + 7/10 - 3/10
= -2 + 4/10
= -2 + 2/5
= -2 2/5