Answer:
1) 3:4
2) 30:40
3) 45:80
Explanation:
15:20 Can simplify by 5 so
15 ÷ 5 = 3 20 ÷ 5 = 4 so overall its 3:4
Thus, 3/4 is the simplified fraction for 15/20 by using the GCD or HCF method. Thus, 3/4 is the simplified fraction for 15/20 by using the prime factorization method.
15:20 Can multiply by 2 so
15 × 2 = 30 20 × 2 = 40 so overall its 30:40
Check if its correct
30 ÷ 2 = 15 40 ÷ 2 = 20 so overall its 15:20
15:20 Can multiply by 3 so
15 × 3 = 45 20 × 3 = 80 so overall its 45:80
Check if its correct
45 ÷ 3 = 15 80 ÷ 3 = 20 so overall its 15:20
