Verified Answer :

penfila11Pen

\(1\frac{3}{4}\) + \(\frac{11}{4}\) + \(\frac{1}{16}\)
1st step: Change the mixed fractions to improper fractions:
              \(1\frac{3}{4}\) = \(\frac{7}{4}\)
2nd step: Find a common denominator 
               16 is the common denominator
 \(\frac{7*4}{4*4}\) + \(\frac{11*4}{4*4}\) + \(\frac{1}{16}\)
=\(\frac{28+44+1}{16}\)
=\(\frac{73}{16}\)
As a mixed fraction:
=\(4\frac{9}{16}\)

13/4 rounds to about 3, 11/4 rounds to 3, and 1/16 rounds to 0. So a resonable estimate would be about 6.

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