Question

Can somebody help me with this answer?

Answer 1

Answer:

7/20

Step-by-step explanation:

To make the denominator common, we first need to find out their LCM.

LCM of 4 and 5= 20

3/4 x 5/5 = 15/20

2/5 x 4/4 = 8/20

3/4 - 2/5 = 15/20 - 8/20

= 7/20

Hope this helps...

Answer 2

Answer:

7/20

Step-by-step explanation:

3/4–2/5=  

3 × 5/4 × 5–2 × 4/5 × 4=  

15/20–8/20

= 15 – 8/20

= 7/20