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3 years ago

What is (-11/21)+9/21 simplified

Mathematics

2 answers:

snow_lady [41]3 years ago

8 0

(-11/21)+9/21

= (-11+9)/21

= -2/21.ans...

xxMikexx [17]3 years ago

3 0

<h3>Answer: -2/21</h3>

Explanation:

Ignore the denominators for now.

The numerators -11 and 9 add up to -11+9 = -2

Then we place that result over the common denominator 21 to get the final answer -2/21

This trick only works if the denominators are all the same. If not, then you'll need to find the LCD first before you can add the fractions. Luckily, all of the denominators were the same at 21.

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18+(44+22)=18+44+22

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3 years ago

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kifflom [539]

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73,127,849 rounded to the nearest ten

Marat540 [252]

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3 years ago

Heather is making two different pies if the first pie needs 6.25 cups of flour and the second pie needs 4.5 cups of flour how mu

sp2606 [1]

Answer:

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Step-by-step explanation:

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4.50

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You have to add a 0 after the 5 in 4.5 because the 5 is in the tenths place.

Sorry if it isn’t right, that’s how I was taught.

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3 years ago