I need some help with that question I’m horrible at math

Answer:
5
Step-by-step explanation:
[tex]3\frac{10}{14} +1\frac{2}{7} \\\\=3+1+\frac{10}{14} +\frac{2}{7} \\\\=4+\frac{10}{14}+ \frac{2*2}{2*7} \\\\=4+\frac{10}{14} +\frac{4}{14} \\\\=4+\frac{10+4}{14} \\\\=4+\frac{14}{14} \\\\=4+1\\\\=5[/tex]