Question

First estimate the answer. Then subtract to find the exact answer.
28 7/9 - 5 5/6 =

28 7/9 rounds to ?
5 5/6 rounds to ?

Answer 1

\[ \left( 28 \times 9 + 7 \right)- \left( 5 \times 6 + 5 \right) = \frac{ 259 }{ 9 } - \frac{ 35 }{ 6 } = 24,88\]

Answer 2

errata, 22,94