rational numbers
multiplying rational numbers
dividing rational numbers
adding with unlike denominators
subtracting with unlike denominators
100
3 1/7
What is 22/7 written as a mixed number?
100
4
What is 6(2/3)?
100
7/12
What is 7/15 \ 4/5
100
29/30
What is 4/5 + 1/6?
100
7/60
What is 11/12-4/5
200
3 3/5
What is 18/5 as a mixed number?
200
-6 2/5
What is -2(3 1/5)
200
-16/20
What is 5 1/3 \ -7?
200
75/91
What is 7/13 + 2/7?
200
-29/126
What is 5/9-11/14
300
29/4
What is 7 1/4 as an improper fraction?
300
3/20
What is -3/5(-1/4)?
300
18.7
What is 7.48 \ 0.4?
300
19/21
What is 1/3 + 4/7?
300
-2 5/28
What is 2 1/4-4 3/7
400
122/11
What is 11 1/11 as a improper fraction?
400
-1
What is 5/12(-12/5)?
400
-30
What is 7.2/n (n=-0.24)
400
1 4/45
What is 1/5 + 8/9
400
-3/8
What is 1/2-7/8
500
-1.75
What is -7/4 written as a decimal?
500
26
What is -5.2*(-5)?
500
18
What is m\ 5/24 (m=3 3/4)
500
47/60
What is 3 7/12 + (-2 4/5)
500
55 1/24L
An oxygen tank contained 212 2/3 liters of oxygen before 27 1/3 liters were used. If the tank can hold 240 3/8 liters, how much space in the tank is unused?
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