This year, Xiaoming's father's age is four times that of Xiaoming, and the sum of Xiaoming's age and his father's age is just the age of his grandfather, who is 63 years old How old is Xiao Ming this year?

This year, Xiaoming's father's age is four times that of Xiaoming, and the sum of Xiaoming's age and his father's age is just the age of his grandfather, who is 63 years old How old is Xiao Ming this year?

Let Xiao Ming be x years old
4X+2X=63
X=10.5
Xiao Ming is ten and a half years old