Question

Find thesum in each of the following:

(a) $0.007+8.5+30.08$

(b) $15+0.632+13.8$

(c) $27.076+0.55+0.004$

(d) $25.65+9.005+3.7$

(e) $0.75+10.425+2$

(f) $280.69+25.2+38$

Answer 1

(a) $0.007+8.5+30.08=38.587$

$\begin{array}{ccccccc}& & 0& .& 0& 0& 7\\ & & 8& .& 5& 0& 0\\ & 3& 0& .& 0& 8& 0\\ +& 3& 8& .& 5& 8& 7\end{array}$

(b) $15+0.632+13.8=29.432$

$\begin{array}{ccccccc}& 1& 5& .& 0& 0& 0\\ & & 0& .& 6& 3& 2\\ & 1& 3& .& 8& 0& 0\\ +& 2& 9& .& 4& 3& 2\end{array}$

(c) $27.076+0.55+0.004=27.630$

$\begin{array}{ccccccc}& 2& 7& .& 0& 7& 6\\ & & 0& .& 5& 5& 0\\ & & 0& .& 0& 0& 4\\ +& 2& 7& .& 6& 3& 0\end{array}$

(d) $25.65+9.005+3.7=38.355$

$\begin{array}{ccccccc}& 2& 5& .& 6& 5& 0\\ & & 9& .& 0& 0& 5\\ & & 3& .& 7& 0& 0\\ +& 3& 8& .& 3& 5& 5\end{array}$

(e) $0.75+10.425+2=13.175$

$\begin{array}{ccccccc}& & 0& .& 7& 5& 0\\ & 1& 0& .& 4& 2& 5\\ & & 2& .& 0& 0& 0\\ +& 1& 3& .& 1& 7& 5\end{array}$

(f) $280.69+25.2+38$

$\begin{array}{cccccccc}& 2& 8& 0& .& 6& 9& 0\\ & & 2& 5& .& 2& 0& 0\\ & & 3& 8& .& 0& 0& 0\\ +& 3& 4& 3& .& 8& 9& 0\end{array}$