Question

Find the sum

$36$cm $8$mm, $86$cm $4$mm and $3$cm $3$mm

Answer 1

Given

When we add the length we get

cm mm

$36$ $8$

$86$ $4$

+$3$ $3$

$\_\_\_\_\_\_\_$

$12517$

________

We know that

$10$mm$=1$cm

$17$mm $=1$cm $7$mm

When we add the lengths we get $126$cm $7$mm

Hence, the final answer is $126$cm $7$mm.