Answer :
Answer:
100.
Step-by-step explanation:
20 = 2*2*5
25 = 5*5
So the common denominator of 20 and 25 is:
2*2*5*5
= 100.
Adding the 2 fractions:
9/20 + 12/25
= (9*5)100 + (12*4)/ 100
= 45/100 + 48/100
= 93/100.
Answer:
100.
Step-by-step explanation:
20 = 2*2*5
25 = 5*5
So the common denominator of 20 and 25 is:
2*2*5*5
= 100.
Adding the 2 fractions:
9/20 + 12/25
= (9*5)100 + (12*4)/ 100
= 45/100 + 48/100
= 93/100.