what is a common denominator for 3/10 and 2/3

Question

 write the pair of fractions as a pair of fractions with a common denominator

 

Answer 1

Hello Maria,

 

The denominator is the bottom number in the fraction and in order to create fractions with common denominators they have to be converted.

 

English: List the multiples of 3 and 10

Math:

3, 6, 9, 12, 15, 18, 21, 24, 27, 30

 

10, 20, 30, 40 , 50

 

English:

find the least common multiple

Math:

The LCM = 30

 

English: convert both fractions to 30ths

 

3   x3    9

--  =    ---

10 x3   30

 

2   x10   20

--  =      ---

3   x10   30

 

Write Answer:

 

9/30  and 20/30