Question

Find the difference.

4 and two-fifths minus 1 and seven-tenths equals what number?

Answer 1

4 2/5 - 1 7/10 = 4 4/10 - 1 7/10 = 3 14/10 - 1 7/10 = 2 7/10

Answer 2

?? is not the subject. You should write math as the subject so that a math prof will know to look. You could have sat and waited all night waiting for a math prof to come along unless I had ventured to see why some not following the rules typed ??.