Answer:
11/20
Step-by-step explanation:
3/4x5
1/5x4
15/20-4/20=11/20
first make the denominators the same...
3/4 x 5 = 15/20
1/5 x 4 = 4/20
so now were subtracting:
15-4= 11
so...
15/20 - 4/20 = 11/20