Math PLEASE HELP

Please finish these questions so I can check my answers. All my answers are at the bottom.

Adding and subtracting mixed numbers.
Please finish these questions. The answer must be reduced to lowest terms!

1. 3 2/5 + 6 1/5=
2. 4 2/5 + 1/10=
3. 2 3/12 + 2 3/6=
4. 5 3/9 + 2 1/3=
5. 7 5/6 + 3 1/18=
6. 5 3/4 + 7 2/6=

7. 3 - 1 8/12=
8. 5 - 2/8=
9. 2 5/8 - 1 1/8=
10. 5 7/9 - 2 1/3=
11. 4 5/6 - 1 1/12=
12. 3 3/4 - 12/9=

My answers:
1. 4 4/5
2. 4 5/10
3. 4 9/12
4. 7 6/9
5. 10 16/18
6. 13 2/24
7. 1 4/12
8. 4 6/8
9. 1 4/8
10. 3 4/9
11. 3 9/12
12. 2 15/36

asked by Pratigya
  1. I checked your first five answers and they are all wrong. For many of them you have not reduced them to lowest terms.

    posted by Ms. Sue
  2. You must be mistaken because my answer is not 44/5 it is 4= 4 whole and then 4/5. Still if you think they are wrong then how can I fix them which ones do I have to reduce?

    posted by Pratigya
  3. 1. 3 2/5 + 6 1/5 = 9 3/5

    This site shows you how to reduce or simplify fractions.

    http://www.mathsisfun.com/simplifying-fractions.html

    posted by Ms. Sue
  4. I started at the other end ...

    #12 wrong
    #11 , 3 9/12 = 3 3/4
    #10 correct
    #9 , 1 4/8 = 1 1/2
    #8 , 4 6/8 = 4 3/4
    #7 , 4 1/12 = 1 1/3
    #6 , 13 2/24 = 13 1/12

    I don't know where you got these questions, but most of them were not in lowest terms to begin with. That is very unconventional.
    e.g. #3
    2 2/13 + 2 3/6
    should have been
    2 1/4 + 2 1/2

    At this point the result can be obtained mentally.

    posted by Reiny
  5. Ok i was wrong on the first one but the rest? I am pretty sure they are right.

    posted by Pratigya
  6. Please study the site I posted. Then reduce numbers 2 through 5.

    Reiny helped you on the others.

    posted by Ms. Sue
  7. For number 7 its not 4 1/12 its 1 4/12. can you check number 5,4,3,2,1 as well.

    posted by Pratigya
  8. answers for 12345:
    1. 9 3/5
    2. 4 1/2
    3. 4 3/4
    4. still 7 6/9
    5. still 10 16/18

    posted by Pratigya
  9. 1 and 2 and 3 are correct. The other two are wrong.

    posted by Ms. Sue
  10. Type them into WolframAlpha . com with a + sign between the whole number and its fraction.

    For example,

    3 2/5 + 6 1/5 becomes (3+2/5) + (6+1/5)
    3 - 1 8/12 becomes (3) - (1+8/12)

    posted by Schnitzel

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