Operations with fractions
1/2-1/4x1/8-1/16
13/16
Order the fractions and put them from least to greatest.
4/6, 3/5, 1/3, 9/10, 7/15
1/3 < 7/15 < 3/5 < 4/6 < 9/10
What type of number is each of the following?
2,3581
2,10385858585...
3,57575757...
1,33333...
0,07777....
0,35
3,1415926....
2,3581 exact decimal
2,10385858585... mixed repeating decimal
3,57575757.... pure repeating decimal
1,33333...pure repeating decimal
0,07777....mixed repeating decimal
0,35 exact decimal
3,1415926.... Irrational number
Express as a fraction:
3,53
0,15
153,7
3,53= 353/100
0,15= 15/100
153,7=1537/10
Juan has drunk two soft drinks of 1/5 of a liter and two of 1/3 of a liter. Laura has drunk one of a liter. Juan says he has drunk more that Laura. Is right? Why?
Juan has drunk 13/15 which is less than the unit, for this reason Laura has drunk more than Juan
(3/5-1/4+2)-(3/4-2/5+1)
1
-1/3, -7/8, -9/12, -3/4
-7/8 < -9/12 =-3/4 < -1/3
Without dividing, find which fractions are exact decimals and whicih are repeating decimals.
87/21 11/200, 7/12
87/21= repeating decimals
11/200=exact decimals
7/12 =repeating decimals
Express as a fraction:
0,52525252...
125,383838...
152,132132132...
0,52525252...= 52/99
125,383838...=12413/99
152,132132132...=151980/999
A traveler travels on the first day 2/7 of his trip, the second day on 3/10, the third on 5/14 and the fourth day concludes the trip by doing 20km. What is the total route and each one of the days?
The travel= 350 km
1º day= 100 km
2º day= 105 km
3º day= 125 km
4º day= 20 km
(1+1/3)-(3/4+1/2)x(1/3-1/4)
59/48
Indicate to which set or sets the following numbers belong
3, -12, 80/5
3= Natural, Integer and rational
-12= Integer and rational
80/5= rational, integer and natural
Without dividing, find which fractions are exact decimals and whicih are repeating decimals.
5/2, 23/15, 9/125
5/2= Exact decimal
23/15= repeating decimal
9/125= Exact decimal
Express as a fraction:
2,576767676...
0,2393939...
38,026666...
2,576767676...=2551/990
0,2393939...=237/990
38,026666...=34224/900
(5/2-5/6+2/3x1/4):[2-1/2(1+5/3)]
11/4
Indicate to which set or sets the following numbers belong
-18/3, +sqrt (25), 1´03128282828
-18/3= integer, rational
+sqrt (25)= rational, integer, natural
1´03128282828= rational
2/3(3/4-1/2)^2-1/6(5/6-1/3)^2
0
Indicate to which set or sets the following numbers belong:
sqrt(2), 35.85858585...., 1.01001000100001..., 0,53, 3/10
sqrt(2)= irrational number
35.85858585....= rational number
1.01001000100001...= irrational number
0,53= rational number
3/10= rational number