What fraction and decimal, in hundreds is equivalent to 7/10

70/100 just multiply them both by 10

70/100 and 0.7.

You can get the fraction by multiplying the numerator and denominator by 10.

How I get the decimal is that when you know you have to divide by 10, imagine the number like this:

7.0

So that there's a decimal. To divide it by 10, move the decimal one space back:

0.70

And there's your decimal.