Answer
D. 20
Explanation
The common denominator of fractions is the least common multiple of the denominators.
The least common multiple of 4 and 5 is 20.
Therefore the common denominator of 1/4 and 3/5 is 20.
Answer:
25%
Step-by-step explanation:
3/12 = 0.25 = 25%
Answer - -5
10(5v-6)