(20r+10)/(30r+15) Factor out the GCF of 10 from each term in the polynomial. (10(2r)+10(1))/(30r+15)
Factor out the GCF of 10 from 20r+10. (10(2r+1))/(30r+15)
Factor out the GCF of 15 from each term in the polynomial. (10(2r+1))/(15(2r)+15(1))
Factor out the GCF of 15 from 30r+15. (10(2r+1))/(15(2r+1))
Reduce the expression (10(2r+1))/(15(2r+1)) by removing a factor of 5 from the numerator and denominator. (2(2r+1))/(3(2r+1))
Reduce the expression by canceling out the common factor of (2r+1) from the numerator and denominator. (2(2r+1))/(3(2r+1))
Reduce the expression by canceling out the common factor of (2r+1) from the numerator and denominator. (2)/(3)