How much is 3/4 of page is it half of page?

No, it's 3/4 of a page. One-half a page is 1/2. So 3/4 is 1/4 more than 1/2 of the page. Draw a square and cut it in half. Then turn it 90 degrees and cut it again. How many pieces do you have. That's right, you have four pieces now. If you take out 2 of those pieces you have 1/2 the square. If you take out three pieces you have 3/4 of the square.