Are 3/5 and 21/35 proportional?
Yes, 3/5 and 21/35 are proportional. To determine if two fractions are proportional, you can simplify both fractions by finding their lowest terms.
For 3/5, the numerator and denominator don't have any common factors other than 1. Therefore, it is already in its lowest term.
For 21/35, both 21 and 35 have a common factor of 7. So, if we divide both the numerator and denominator by 7, we get 3/5.
Since both fractions are equal to 3/5, they are proportional.