Estimating proper fractions
Estimate
2/3 + 1/7
2/3 - 1
1/7- 0
Answer:0
Estimate
1 2/8 + 3 4/7
1 + 3
4
2/10 + 6/10
8/10
2 3/4 + 4 7/10
2 15/20 + 4 14/20
6 29/20
6 + 1 9/20
7 9/20
Jenifer's dog weighs 5 6/7 pounds. Jonathon's dog weighs 12 5/9 pounds. How many pounds do the dogs weigh together?
5 6/7 + 12 5/9
5 54/63 + 12 35/63
17 89/63
18 26/63 pounds
Estimate
5/6 + 1/4
5/6 - 1
1/4 -0
Answer: 1
Estimate
5 6/7 - 2 1/6
6 -2 = 4
6/8 + 2/6
18/24 + 8/24
26/24
1 2/24 or 1 1/12
20 1/5 - 3 2/9
20 9/45 - 3 10/45
19 54/45 - 3 10/45
16 44/45
Julie has 23 3/8 yards of string. She uses 10 1/6 yards of string to make a blanket. How much string does she have left?
23 3/8 - 10 1/6
23 9/24 - 10 4/24
13 5/24 yards
Estimate
7/8 - 6/7
7/8- 1
6/7- 1
Answer: 0
Estimate
23 3/9 + 12 3/4
23 + 13
36
14/15 - 2/4
56/60 - 30/60 = 26/60
12 2/4 + 14 5/6
12 12/24 + 14 20/24
16 32/24
16 + 1 8/24
17 8/24 or 17 1/3
Molly made 3/5 of her free throw attempts. Albert made 4/9 of his free throw attempts. What is the total fraction of free throw they made.
3/5 + 4/9
27/45 + 20/45
47/45
1 2/45 of free throws
Estimate
9/15 - 8/11
9/15 - 1
8/11 - 1
Answer: 0
Estimate
89 2/6 - 17 1/5
90 - 17
73
7/9 - 3/8
56/72 - 27/72
29/56
30 7/9 - 2 1/3
30 7/9 - 3 3/9
27 4/9
Susie reads 2/8 of a book on Monday, she reads 1/3 of the book on Tuesday. How much of the book does she read on Wednesday?
* Assume she finished the book on Wednesday*
2/8 + 1/3
6/ 24 + 8/24 = 14/24
24/24 - 14/24 =
10/24 or 5/12 of the book
Estimate
19/20 - 23/25
19/20- 1
23/25 -1
Answer: 0
Estimate
100 2/5 + 322 9/10
100 + 323
423
20/30 + 9/20
40/60 + 27/60
67/60=
1 7/60
55 1/2 - 22 5/17
55 17/34 - 22 10/34
33 7/34
Dalia draws a square where each side measures 3 4/5 inches. What is the perimeter of the square?
12 16/5
12 + 3 1/5
15 1/5 inches