Question

-3 4/5+ (-1 7/10) write the sum as a mixed number? explain.

Answer 1

i got -3 11/15 but i need help explaining how to change it to a mixed number

Answer 2

it says to convert the mixed numbers to fractions

Answer 3

then find the common denominator and add the fraction

Answer 4

@TheSmartOne

Answer 5

\[-3 \frac{ 4 }{5 }+(-1 \frac{ 7 }{ 10 })= \frac{ -19 }{ 5 }- \frac{ 17 }{ 10 }=\frac{ -38 }{ 10 }-\frac{ 17 }{ 10 }=\frac{ -38-17 }{ 10 }=\frac{ -55 }{ 10 }=-5\frac{ 5 }{ 10 }=-5\frac{ 1 }{ 2 }\]

Answer 6

\[=-5\frac{ 1 }{ 2 }\]

Answer 7

im confused how did you get -19

Answer 8

sorry i dont have a calculator with me

Answer 9

it said it was 2 1/10?

Answer 10

Oh..

Answer 11

lol positive 19 and -17 you had it set up right just the positive and negatives were wrong

Answer 12

then you had to go (19x2 + -17/10) = (38/10+-17/10)= 38+ -17/10) and ended up being 2 1/10 5x2

Answer 13

wait

Answer 14

4/7 -(-2/7) find the difference. so would it be 8/7 or 8/49?

Answer 15

it would be 4/7+2/7=6/7

Answer 16

http://www.helpwithfractions.com/fraction-calculator/

Answer 17

ohh okay and thanks :)

Answer 18

i already have that link lol

Answer 19

i put my problem in there and said it was wrong

Answer 20

its 2 5/8 - (-1 1/4) and i got 3 3/8 so do i simplify? cause all it says is to put it as a mixed number?

Answer 21

it is simplified...

Answer 22

somehow i got it wrong

Answer 23

my online class is stupid

Answer 24

it said its 3 7/8?