The answers:
1. C. 5/9, 75/135.
2. B. 5/11
3. C. 10/3
4. C. 13 quarts
5. B. 120
6. B. In 36 minutes
7. B. 3/4 < 33/40
8. D. 3/8 < 2/3 < 19/24
9. (My explanation). Karen rides farther because if you change the fraction to their equivalents with a common denominator, 25 3/8 miles becomes 25 15/40 and 25 2/5 miles becomes 25 16/40, This is how Karen rides farther.
Hello, Let's get straight into it!
1. Which fractions are equivalent to 25/45?
A. 5/9, 15/28
B. 30/48, 75/135
C. 5/9, 75/135
D. 35/54, 40/108
2. Write the fraction in simplest form. 10/22.
A. 2/5
B. 5/11
C. 6/11
D. 5/12
3. Write 3 1/3 as an improper fraction.
A. 11/3
B. 9/3
C. 10/3
D. 7/3
4. A truck's engine needs 3 1/4 gallons of oil for an oil change. How many quarts of oil are needed? (Hint: 1 quart = 1/4 gallons)
A. 65 quarts
B. 18 quarts
C. 13 quarts
D. 4 quarts
5. Use prime factorization to find the LCM of 30 and 40.
A. 90
B. 120
C. 150
D. 200
6. An "A" train leaves the subway station every 12 minutes. An "E" train leaves every 9 minutes. If both trains just left the station on parallel tracks, when will both leave the station together again?
A. In 108 minutes
B. In 36 minutes
C. In 72 minutes
D. In 24 minutes
7. Compare the pair of numbers. Use <, =, or >. 3/4 (__) 33/40.
A. 3/4 > 33/40
B. 3/4 < 33/40
C. 3/4 = 33/40
8. Order the numbers from least to greatest. 3/8, 19/24, 2/3.
A. 2/3 < 19/24 < 3/8
B. 2/3 < 3/8 < 19/24
C. 3/8 < 19/24 < 2/3
D. 3/8 < 2/3 < 19/24
9. Harry rides his bike 25 3/8 miles. Karen rides her bike 25 2/5 miles. Who rides farther? (Explain).
1 answer
3 answers