5th grade math

I need help with this problem !
5 2/5 - 3 4/5= ?

6 1/10 - 3 4/10 =

10 - 4 2/5= ?

PLEASE! SHOW ME EACH PROBLEM STEP BY STEP SO , I CAN FINISH MY HOMEWORK! THANK YOU!

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  1. 5 2/5 - 3 4/5=

    5 2/5 = 4 7/5

    4 7/5 - 3 4/5 = 1 3/5

    As you see, we need to change the first number.

    6 1/10 = 5 11/10

    10 = 9 5/5/

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    Ms. Sue
  2. 5=(5*5)/5=25/5

    3=(3*5)/5=15/5

    5 2/5=(25/5)+(2/5)=27/5

    3 4/5=(15/5)+(4/5)=19/5

    5 2/5-3 4/5=(27/5)-(19/5)=8/5=
    (5+3)/5=1 3/5

    6=(6*10)/10=60/10

    3=3*10)/10=30/10

    6 1/10=(60/10)+(1/10)=61/10

    3 4/10=(30/10)+(4/10)=34/10

    6 1/10-3 4/10 =(61/10)-(34/10)=27/10=
    (20/10)+7/10= 2 7/10

    10=(10*5)/5=50/5

    4=(4*5)/5=20/5

    4 2/5=(20/5)+(2/5)=22/5

    10-4 2/5=(50/5)-(22/5)=28/5=(25+3)/5
    =5 3/5

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  3. mixed number as a fraction 3 4/7=

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  4. how many milliliters wiil a gallon hold?

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