Question

Explain how you know that 5/8 + 6/10 is greater than 1.

Answer 1

because if you add the two fractions you get a number bigger than 1 
5/8+6/10=1.225 

Answer 2

If 5/8 + 6/10 is equal to = 1.225 in fraction it'll be 49/40 (after you find you common denominator) Now obviously, 40/40 is a whole, but 49/40 is greater than a whole! In mixed fraction form it'll be 1whole 9/40