The concept of this math is not clear to me

[sanjanaorchi121]

7/28-1/4
why 1/4?

[kevinphan_98]

Divide 7 and 28 each by 7 and you get a reduced fraction of 1/4

[pranav98711]

@sanjanaorchi121

Not sure what you are asking but the image might be of some help for answering the question. Feel free to ask doubts.