Answer: 9/1 = 9
Step-by-step explanation:Conversion a mixed number to a improper fraction: 6 3/10 = 6 · 10 + 3/ 10 = 63/10
Divide: 63/10 : 7/10 = 63/10 · 10/7=63/10
10 · 7 = 630/70 = 9
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.