4/5+90%= tolong pakai cara

4/5 + 90%
= 4 . 20/5 . 20 + 90/100
= 80 + 90/100
= 170/100
= 1,7.

Semoga membantu!!!

4/5 + 90% = ...
=4/5 + 90/100
=4/5 + 9/10
=8/10 + 9/10
= 17/10
=1 7/10

Atau

4/5+90% = ...
= 80/100 + 90%
= 80% + 90%
= 170%

Semoga dapat membantu