Verified Answer :

\(7*10*4*4+2*1 \frac{1}{10} + 5* \frac{1}{10}\)
= \(\frac{1121}{4} Decimal: 280.25\)

71041+(21/10)+(51/100)
=70
41+(21/10)+(51/100)
=280
1+(21/10)+(51/100)
=280+(21/10)+(51/100)
=280+(2/10)+(51/100)
=280+(1/5)+(5
1/100)
=1401/5+(5*1/100)
=1401/5+(5/100)
=1401/5+(1/20)
=1121/4
=280 and 1/4