Adding and subtracting fractions with unlike denominators

Front

What is the least common denominator you could use to subtract 1/3 and 1/4?

Back

12

Front

Is this a correct answer?

Back

No, you cannot add unlike denominators

Front

What is the first step in solving this problem? ⅘ + ½ =

Back

Find a common denominator.

Front

What is the next step to finding this answer? Options: Add the numerators (1+1=2), Multiply 12 X 1 for both fractions to find a new numerator, Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1), This is a mistake, you don't need to convert to twelfths

Back

Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

Front

Solve this equation using the least common denominator: ¼ + ½

Back

3/4

Front

Least common denominator of 1/2 and 3/7?

Back

14

Front

First 4 multiples of 7: 7, 14, 22, 28. Which one is incorrect?

Back

22

Front

5/9 + 2/9 + 4/9

Back

1 2/9

Front

A construction company is digging a pit to build the foundation of a house. At the end of the first day, the company had hauled away 1/6 of a truckload of dirt. On the second day, they hauled away 2/6 of a truckload. How many truckloads did they haul away in all?

Back

1/2 truckload

Front

1/4 + 5/8

Back

7/8