Question 1178764
One-fourth of Jarod’s age added to one-third of Jaden’s age 

let Jarod’s age be x

Let Jaden’s age  y

x/4 + y/3 = 22

Multiply equation by 12 to remove the denominator

we get
3x +4y = 264--------------(1)

x+y = 78 ------------------(2)
solve (1) & (2) to get x & y their ages
Multiply (2) by 3 and subtract equations

3x+4y = 264
3x+3y =234


we get y = 30

plug and find x