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Mathematics 15 Online
bird2800:

Simplify: Negative three and one-half minus negative twelve and one-fourth. Negative fifteen and three-fourths Fifteen and three-fourths Negative eight and three-fourths Eight and three-fourths

Vocaloid:

convert -3 1/2 to a mixed number first

bird2800:

ok

bird2800:

then what

Vocaloid:

convert -12 1/4 to a mixed number

bird2800:

ok

Vocaloid:

then find the LCD (least common denominator) which is 4 in this case, and convert both fractions to the same denominator

Vocaloid:

then subtract

bird2800:

ok

Vocaloid:

then convert back to a mixed number

bird2800:

ok

Vocaloid:

*** should say "improper fraction" instead of mixed number in the first thing I wrote

Vocaloid:

Let me know if you get stuck

bird2800:

oh

bird2800:

ok

bird2800:

would it be B

bird2800:

or maybe D

Vocaloid:

follow the directions please

bird2800:

ok

Vocaloid:

convert -3 1/2 to an improper fraction please

bird2800:

im redoing it give me a sec

Vocaloid:

is the original problem typed correctly? I get an answer that isn't in the answer choices

Vocaloid:

one of the negative signs doesn't seem like it's supposed to be there

Vocaloid:

(- 3 1/2) - (12 1/4) ?

bird2800:

ueah its of my flvs\

bird2800:

yeah of flvs

Vocaloid:

hm

bird2800:

Simplify: Negative three and one-half minus negative twelve and one-fourth. Negative fifteen and three-fourths Fifteen and three-fourths Negative eight and three-fourths Eight and three-fourths here it is agian

bird2800:

do you see a anwser

Vocaloid:

so we get -7/2 + 49/4 = -14/4 + 49/4

bird2800:

ok

Vocaloid:

that gives us 35/4

bird2800:

ok

Vocaloid:

so 35/4 as a mixed number is...?

bird2800:

8 and 3 fourths

Vocaloid:

good so it must be D

bird2800:

ok thank you so much i have other quistion and i need help so if you can can you help me

bird2800:

What number should be added to –28 to make the sum 0? 28 –28 27 0

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