# math

posted by .

In 1 through 6, find each sum. Simplify, if possible. Estimate for reasonableness.
1. 7
__2
3
+ 8
__5
6
2. 4
__3
4
+ 2
__2
5
3. 11
___9
10
+ 3
___1
20
4. 7
__6
7
+ 5
__2
7
5. 5
__8
9
+ 3
__1
2
6. 21
___ 11
12
+ 17
__2
3
7. Number Sense Write two mixed numbers that have a sum of 3.

• math -

Fractions don't format well here. Try using a/b for fractions.

I'll do #1 and yo can post your own answers for the others, which we will be happy to check.

#1.

7 2/3 + 8 5/6
One way is to add the whole numbers, then add the fractions:

7+8 + 2/3 + 5/6
15 + 2/3 + 5/6
Now, set the fractions over a common denominator:

15 + 4/6 + 5/6
15 + 9/6
Now reduce the improper fraction to a mixed number:
15 + 6/6 + 3/6
15 + 1 + 3/6
16 1/2

Another way is to make everything into fractions first:

7 2/3 + 8 5/6
21/3 + 2/3 + 48/6 + 5/6
42/6 + 4/6 + 48/6 + 5/6
99/6
96/6 + 3/6
16 1/2

## Similar Questions

1. ### accounting

in the blank space beside each adjustin entry, enter the letter of the explanation A through F that most closely describes the entry. A. to record this periods depreciation expense B. to record accrued salaries expense. C. to record …
2. ### accounting

in the blank space beside each adjustin entry, enter the letter of the explanation A through F that most closely describes the entry. A. to record this periods depreciation expense B. to record accrued salaries expense. C. to record …
3. ### science

__1.a condition that damages or weakens part of the body __2.the passing of characteristics from parents to their children __3.an organism or virus that causes disease __4.pathogens that can be seen only with a microscope __5.the smallest …
4. ### college math

I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps (show work) on how to solve this question. The sum of the intergers from 1 through n is n(n+1)/2. the sum of …
5. ### math

Reasonableness Sun-Yi estimated 270+146 and got 300. Is her estimate resonable?
6. ### math

estimate the sum first then add simplify 2 5/6+9 3/8
7. ### nursing

i have to do matching and i can not figure theses out please help me!!! __1. annual evaluations __2. positive attitude __3. self- discipline __4.medical assistant __5. break-time __6. cooperation __8.team work __9. job descriptions …
8. ### Math

Use fraction strips to find each sum or difference. Simplify if possible. 2 1/3 + 1 2/3 3 5/6 + 4 3/6 4 6/10+ 5 7/10 1 1/6 + 3 5/6 2 4/9 + 6 7/9
9. ### Math

what prime numbers do you get when you enter each number from 0 to 10 in this expression?
10. ### math

what prime numbers do you get when you enter each number from 0 to 10 in this expression?

More Similar Questions
{"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0}