Math PLEASE HELP

posted by Pratigya

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

  1. Ms. Sue

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

  2. Pratigya

    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?

  3. Ms. Sue

    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

  4. Reiny

    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.

  5. Pratigya

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

  6. Ms. Sue

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

    Reiny helped you on the others.

  7. Pratigya

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

  8. Pratigya

    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

  9. Ms. Sue

    1 and 2 and 3 are correct. The other two are wrong.

  10. Schnitzel

    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)

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