Respuesta :
When you subtract unlike fractions so you need a common denoimeter
Example:
1/2-3/4
1/2= to 2/4
3/4 - 2/4=1/4
Answer: 1/4
Example:
1/2-3/4
1/2= to 2/4
3/4 - 2/4=1/4
Answer: 1/4