yes. you multiply the numerator and denominator
multiply denominator by denominator and vice versa
Change the fractions to the same denominator then compare.A quick way is to multiply UP on cross multiply and compare.
Yes you do.
Multiply the numerator and the denominator by the same integer.
you do not do that
No.
No.
Divide the denominator into the numerator. Multiply the result by 100.
None. Multiply numerator by the numerator and denominator by denominator.
Just multiply the two denominators of your fractions, the answer you get is a common denominator.
No.