This is a simple simplification problem (ha!).
14/10 is an improper fraction. Since a fraction can also be a division expression, 14 divided by 10 equals 1 with a remainder of 4.
Since we have the answer, we can now produce a mixed fraction of:
4
1 ---
10
Since 4/10 is equal to 2/5,
4 2
1 --- is equal to 1 ---
10 5