# Estimate 16 20/21*28 3/7 - 4 13/25 + 8 2/47 as a whole number or as a mixed number whee the fractional part is 1/2.

a. 452
b.480
c.488
d.492 1/2

I would say the answer is c - 488. Would that be right?

## I really don't know if you copied the question wrong or something because when I did the question 3 times total and keyed the fractions into my calculator I get the same answer of

485.45 so I don't know if either the multiple choice is incorrect or the copied question is wrong but something is funny.

## I'm not sure but a foolproof way to go and use a denominator common to both is to go and

multiply both numbers

here: 25x47=1175

## Okay, I have to get off the computer now, but I hope this which I figured so far will help you find the answer:

I multiplied 16 20/21 and 28 3/7. I got the fraction 212532 over 21.
Next, you subtract 4 13/25 from 212532 over 21, I think. Once you've done that, add 8 2/47, and you should get a matching answer. Hopefully. Or else there's seriously something wrong about the whole question, like, it had to have been misprinted or typed incorrectly or something. Good Luck! I'll work on it more tonight and I'll check back probably tomorrow.