What is 4 over 10 in simplest form

2/5 is 4/10 reduced to simplest form

Ok so find 1's

remember that 4/4=1 also x/x=1 those are ones

also remember

if you had

10/30 that equals 10/10 times 1/3=1 times 1/3

so find ones

4/10=2/2 times 2/5=1 times 2/5=2/5