Question

Explain what can happen if you line up the digits incorrectly when you rewrite addition problems.

Answer 1

If you don't put them in the right place you might end up adding it to another number and your answer be incorrect

Answer 2

You get the answer wrong. E.g. 23.4 + 22.3 = 45.7 BUT if you line it up incorrectly 2.34 + 223. = 225.34