Lets do this step by step:
- 1 wall = 1 whole or
- Jacob painted
of the wall
(because
- His little brother painted
of the wall
- Find the common denominator which is 4:
- 1/4 × 1 = 1/4 and 1/2 × 2 = 2/4
(because a half of 1/4 is 1/2)
Therefore your answer is "1/2."
Hope this helps!
Nonportrit