Answer:
11/20 or 0 whole 11/20 or 0.55
Step-by-step explanation:
Find the least common multiple (LCM) of 4 and 5 at first:
We can't do the LCM of 5 and 4,so just multiply them, 5*4 = 20
Now,
For 3/4 : divide 20 by 4,then multiply the result by 3.For 1/5 : divide 20 by 4, then multiply the result by 1. Simple!
Subtracting the numerators,
As a whole number:
As a decimal: