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Adding and Subtracting Decimals with Helper Gr
problem.




95.90


+28.699


114.599











63.9


-62.704


01.204












9.


+1.74


10.74












74*5



-27*20



47*30












22.7



+quad2.36











95


+77.5

Adding and Subtracting Decimals with Helper Gr\newlineproblem.\newline\begin{tabular}{r}\newline9595.9090 \\\newline+2828.699699 \\\newline\hline 114114.599599\newline\end{tabular}\newline22)\newline\begin{tabular}{r}\newline6363.99 \\\newline62-62.704704 \\\newline\hline 0101.204204\newline\end{tabular}\newline33)\newline44)\newline\begin{tabular}{r}\newline99. \\\newline+11.7474 \\\newline\hline 1010.7474\newline\end{tabular}\newline55)\newline\begin{tabular}{r}\newline745 74 \cdot 5 \\\newline2720 -27 \cdot 20 \\\newline\hline 4730 47 \cdot 30 \newline\end{tabular}\newline66)\newline77)\newline\begin{tabular}{r}\newline2222.77 \\\newline+2.36 +\quad 2.36 \\\newline\hline\newline\end{tabular}\newline88)\newline\begin{tabular}{r}\newline9595 \\\newline+7777.55 \\\newline\hline\newline\end{tabular}

Full solution

Q. Adding and Subtracting Decimals with Helper Gr\newlineproblem.\newline\begin{tabular}{r}\newline9595.9090 \\\newline+2828.699699 \\\newline\hline 114114.599599\newline\end{tabular}\newline22)\newline\begin{tabular}{r}\newline6363.99 \\\newline62-62.704704 \\\newline\hline 0101.204204\newline\end{tabular}\newline33)\newline44)\newline\begin{tabular}{r}\newline99. \\\newline+11.7474 \\\newline\hline 1010.7474\newline\end{tabular}\newline55)\newline\begin{tabular}{r}\newline745 74 \cdot 5 \\\newline2720 -27 \cdot 20 \\\newline\hline 4730 47 \cdot 30 \newline\end{tabular}\newline66)\newline77)\newline\begin{tabular}{r}\newline2222.77 \\\newline+2.36 +\quad 2.36 \\\newline\hline\newline\end{tabular}\newline88)\newline\begin{tabular}{r}\newline9595 \\\newline+7777.55 \\\newline\hline\newline\end{tabular}
  1. Add Decimals: Add 95.9095.90 and 28.69928.699\newlineTo add these two decimals, align the decimal points and add the numbers column by column.\newline\begin{align*} &\phantom{+}95.90\ &+28.699\ \hline &124.599 \end{align*}
  2. Subtract Decimals: Subtract 63.963.9 from 62.70462.704\newlineTo subtract these two decimals, align the decimal points and subtract the second number from the first.\newline\newline6363.99\newline62-62.704704\newline\underline{\phantom{0000}11.196196}\newline\newlineNote: The subtraction result should be 1.1961.196, not 01.20401.204 as written in the problem. This is a math error.

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