Question

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

Answer 1

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.

Answer 2

70/100 just multiply them both by 10