1
130
It is 130
To simplify the fraction 130 over 100, both the numerator and denominator can be divided by their greatest common divisor, which is 10. Dividing both by 10 gives you 13 over 10. Therefore, 130 over 100 simplified is 13/10, or 1.3 in decimal form.
You look for common factors in the numerator and the denominator, then divide both the numerator and the denominator by that common factor.
The GCF is 5. The LCM is 106600. The greatest common denominator is infinite.
It is 100
84/100 is one fraction. To find a common denominator, you need at least one more.
Any multiple of 100
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 10, 100/130 is equal to 10/13 or ten thirteenths.
There are infinitely many common denominators and so it makes no sense to ask about the common denominator. For example, 45000 is a common denominator.
8100
7 and 100 only have the common factor of 1, so the LCM or LCD (least common denominator) for fractions having 7 & 100 for denominators is 7*100 = 700.