HSK C4/W3/V4
Correct

减

/ jiǎn / 
Strokes

Definition

to lower/to decrease/to reduce/to subtract/to diminish

Example

As a Verb
subtract; deduct; minus
1
Wǔ
五
jiǎn
减
èr
二
děngyú
等于
sān
三
  
。

Five minus two is three. / Two (subtracted) from five is three.

As a Verb
reduce; decrease; cut
2
Jiǎnbàn
减半

reduce by half

3
Jiǎnxīn
减薪

reduce salary; take a cut in (sb's) salary