Math NO 6.1.1.6

19. Rodrigo wanted to reduce the fraction 12/16 to make it easier to worth with. He divided the numbers by their greatest common factor. What is the greatest common factor of 12 and 16?

A. 2

B. 4

C. 6

D. 8

20. Kathleen wanted to add the fractions 11/14 and 15/18 together but first she wanted to find the least common multiple of their denominators. What is the least common multiple of the two denominators?

A. 34

B. 126

C. 165

D. 252

21. Won filled a bucket with 9/10 of a gallon of water. The bucket had a leak. A few minutes later, he realized only 1/5 of a gallon of water remained. What fraction of the water had leaked out of the bucket?

A. 8/5

B. 8/10

C. 7/10

D. 4/5

22. Abdi finished ¼ of his weekend homework on Saturday and another ⅓ of his weekend homework on Sunday. What fraction of his weekend homework was not finished?

A. 1/4

B. 7/12

C. 2/7

D. 5/12

23. 2/3 of the class study Arabic. 1/6 of the class studies French. What fraction of students in the class study either Arabic or French?

A. 1/3

B. 5/6

C. 1/2

D. 2/3

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Math NO 6.1.1.6

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