Come si scrive 0.15 come frazione?
Risposta:
#0.15=3/20#
Spiegazione:
#0.15hArr0+1/10+5/100#
= #1/10+5/100#
= #(1xx10)/(10xx10)+5/100#
= #10/100+5/100#
= #15/100#
= #(3xx5)/(20xx5)#
= #(3xxcancel5)/(20xxcancel5)#
= #3/20#
#0.15=3/20#
#0.15hArr0+1/10+5/100#
= #1/10+5/100#
= #(1xx10)/(10xx10)+5/100#
= #10/100+5/100#
= #15/100#
= #(3xx5)/(20xx5)#
= #(3xxcancel5)/(20xxcancel5)#
= #3/20#