Question

7 9/10+5/10=7 14/10=7+10/10+4/10=8 4/10 explain how I get the answer 8 4/10

Answer 1

Answer:

7 9/10 + 5/10 = 8 4/10

Step-by-step explanation:

$7\frac{9}{10} +\frac{5}{10} \\=(7+\frac{9}{10}) +\frac{5}{10} \\=7+(\frac{9}{10} +\frac{5}{10})\\=7+\frac{14}{10} \\=7+\frac{10+4}{10}\\ =7+\frac{10}{10} +\frac{4}{10}\\ =7+1+\frac{4}{10}\\ =8\frac{4}{10}$